Home / 3,057.57-4,218.08-1,798.70

Finding the Fourth Proportional to 3,057.57, 4,218.08 and 1,798.70

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Solution

The fourth proportional to 3,057.57, 4,218.08 and 1,798.70 is: 2,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.57 : 4,218.08 = 1,798.70 : x
  2. Step 2: Convert to fraction form
    3,057.57/4,218.08 = 1,798.70/x
  3. Step 3: Cross multiply
    3,057.57x = 4,218.08 × 1,798.70
  4. Step 4: Simplify right side
    3,057.57x = 7,587,030.41
  5. Step 5: Solve for x
    x = 7,587,030.41/3,057.57
  6. Step 6: Final answer
    x = 2,481.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,058.57, 4,219.45 and 1,799.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.