Home / 3,331.70-4,997.55-1,140.45

Finding the Fourth Proportional to 3,331.70, 4,997.55 and 1,140.45

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Solution

The fourth proportional to 3,331.70, 4,997.55 and 1,140.45 is: 1,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.70 : 4,997.55 = 1,140.45 : x
  2. Step 2: Convert to fraction form
    3,331.70/4,997.55 = 1,140.45/x
  3. Step 3: Cross multiply
    3,331.70x = 4,997.55 × 1,140.45
  4. Step 4: Simplify right side
    3,331.70x = 5,699,455.90
  5. Step 5: Solve for x
    x = 5,699,455.90/3,331.70
  6. Step 6: Final answer
    x = 1,710.68

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Similar ratio
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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.