Home / 3,763.89-5,643.61-1,542.06

Finding the Fourth Proportional to 3,763.89, 5,643.61 and 1,542.06

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Solution

The fourth proportional to 3,763.89, 5,643.61 and 1,542.06 is: 2,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.89 : 5,643.61 = 1,542.06 : x
  2. Step 2: Convert to fraction form
    3,763.89/5,643.61 = 1,542.06/x
  3. Step 3: Cross multiply
    3,763.89x = 5,643.61 × 1,542.06
  4. Step 4: Simplify right side
    3,763.89x = 8,702,781.38
  5. Step 5: Solve for x
    x = 8,702,781.38/3,763.89
  6. Step 6: Final answer
    x = 2,312.18

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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.