Home / 3,331.70-4,997.08-1,140.11

Finding the Fourth Proportional to 3,331.70, 4,997.08 and 1,140.11

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Solution

The fourth proportional to 3,331.70, 4,997.08 and 1,140.11 is: 1,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.70 : 4,997.08 = 1,140.11 : x
  2. Step 2: Convert to fraction form
    3,331.70/4,997.08 = 1,140.11/x
  3. Step 3: Cross multiply
    3,331.70x = 4,997.08 × 1,140.11
  4. Step 4: Simplify right side
    3,331.70x = 5,697,220.88
  5. Step 5: Solve for x
    x = 5,697,220.88/3,331.70
  6. Step 6: Final answer
    x = 1,710.00

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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.