Home / 3,057.30-4,219.01-1,798.11

Finding the Fourth Proportional to 3,057.30, 4,219.01 and 1,798.11

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Solution

The fourth proportional to 3,057.30, 4,219.01 and 1,798.11 is: 2,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.30 : 4,219.01 = 1,798.11 : x
  2. Step 2: Convert to fraction form
    3,057.30/4,219.01 = 1,798.11/x
  3. Step 3: Cross multiply
    3,057.30x = 4,219.01 × 1,798.11
  4. Step 4: Simplify right side
    3,057.30x = 7,586,235.08
  5. Step 5: Solve for x
    x = 7,586,235.08/3,057.30
  6. Step 6: Final answer
    x = 2,481.35

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Double scale
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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.