Home / 3,337.31-5,005.97-1,389.53

Finding the Fourth Proportional to 3,337.31, 5,005.97 and 1,389.53

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Solution

The fourth proportional to 3,337.31, 5,005.97 and 1,389.53 is: 2,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.31 : 5,005.97 = 1,389.53 : x
  2. Step 2: Convert to fraction form
    3,337.31/5,005.97 = 1,389.53/x
  3. Step 3: Cross multiply
    3,337.31x = 5,005.97 × 1,389.53
  4. Step 4: Simplify right side
    3,337.31x = 6,955,945.49
  5. Step 5: Solve for x
    x = 6,955,945.49/3,337.31
  6. Step 6: Final answer
    x = 2,084.30

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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.