Home / 3,707.30-5,559.60-1,242.20

Finding the Fourth Proportional to 3,707.30, 5,559.60 and 1,242.20

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Solution

The fourth proportional to 3,707.30, 5,559.60 and 1,242.20 is: 1,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.30 : 5,559.60 = 1,242.20 : x
  2. Step 2: Convert to fraction form
    3,707.30/5,559.60 = 1,242.20/x
  3. Step 3: Cross multiply
    3,707.30x = 5,559.60 × 1,242.20
  4. Step 4: Simplify right side
    3,707.30x = 6,906,135.12
  5. Step 5: Solve for x
    x = 6,906,135.12/3,707.30
  6. Step 6: Final answer
    x = 1,862.85

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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.