Home / 3,570.25-4,927.09-1,998.31

Finding the Fourth Proportional to 3,570.25, 4,927.09 and 1,998.31

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Solution

The fourth proportional to 3,570.25, 4,927.09 and 1,998.31 is: 2,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.25 : 4,927.09 = 1,998.31 : x
  2. Step 2: Convert to fraction form
    3,570.25/4,927.09 = 1,998.31/x
  3. Step 3: Cross multiply
    3,570.25x = 4,927.09 × 1,998.31
  4. Step 4: Simplify right side
    3,570.25x = 9,845,853.22
  5. Step 5: Solve for x
    x = 9,845,853.22/3,570.25
  6. Step 6: Final answer
    x = 2,757.75

Related Problems

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Half scale
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Double scale
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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.