Home / 3,708.30-5,561.36-1,242.55

Finding the Fourth Proportional to 3,708.30, 5,561.36 and 1,242.55

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Solution

The fourth proportional to 3,708.30, 5,561.36 and 1,242.55 is: 1,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.30 : 5,561.36 = 1,242.55 : x
  2. Step 2: Convert to fraction form
    3,708.30/5,561.36 = 1,242.55/x
  3. Step 3: Cross multiply
    3,708.30x = 5,561.36 × 1,242.55
  4. Step 4: Simplify right side
    3,708.30x = 6,910,267.87
  5. Step 5: Solve for x
    x = 6,910,267.87/3,708.30
  6. Step 6: Final answer
    x = 1,863.46

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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.