Home / 3,391.77-5,084.78-1,542.24

Finding the Fourth Proportional to 3,391.77, 5,084.78 and 1,542.24

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Solution

The fourth proportional to 3,391.77, 5,084.78 and 1,542.24 is: 2,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.77 : 5,084.78 = 1,542.24 : x
  2. Step 2: Convert to fraction form
    3,391.77/5,084.78 = 1,542.24/x
  3. Step 3: Cross multiply
    3,391.77x = 5,084.78 × 1,542.24
  4. Step 4: Simplify right side
    3,391.77x = 7,841,943.40
  5. Step 5: Solve for x
    x = 7,841,943.40/3,391.77
  6. Step 6: Final answer
    x = 2,312.05

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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.