Home / 3,331.56-4,997.31-1,140.30

Finding the Fourth Proportional to 3,331.56, 4,997.31 and 1,140.30

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Solution

The fourth proportional to 3,331.56, 4,997.31 and 1,140.30 is: 1,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.56 : 4,997.31 = 1,140.30 : x
  2. Step 2: Convert to fraction form
    3,331.56/4,997.31 = 1,140.30/x
  3. Step 3: Cross multiply
    3,331.56x = 4,997.31 × 1,140.30
  4. Step 4: Simplify right side
    3,331.56x = 5,698,432.59
  5. Step 5: Solve for x
    x = 5,698,432.59/3,331.56
  6. Step 6: Final answer
    x = 1,710.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.