Home / 3,331.53-5,001.85-1,871.71

Finding the Fourth Proportional to 3,331.53, 5,001.85 and 1,871.71

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Solution

The fourth proportional to 3,331.53, 5,001.85 and 1,871.71 is: 2,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.53 : 5,001.85 = 1,871.71 : x
  2. Step 2: Convert to fraction form
    3,331.53/5,001.85 = 1,871.71/x
  3. Step 3: Cross multiply
    3,331.53x = 5,001.85 × 1,871.71
  4. Step 4: Simplify right side
    3,331.53x = 9,362,002.50
  5. Step 5: Solve for x
    x = 9,362,002.50/3,331.53
  6. Step 6: Final answer
    x = 2,810.12

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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.