Home / 3,707.48-5,561.88-1,242.55

Finding the Fourth Proportional to 3,707.48, 5,561.88 and 1,242.55

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Solution

The fourth proportional to 3,707.48, 5,561.88 and 1,242.55 is: 1,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.48 : 5,561.88 = 1,242.55 : x
  2. Step 2: Convert to fraction form
    3,707.48/5,561.88 = 1,242.55/x
  3. Step 3: Cross multiply
    3,707.48x = 5,561.88 × 1,242.55
  4. Step 4: Simplify right side
    3,707.48x = 6,910,913.99
  5. Step 5: Solve for x
    x = 6,910,913.99/3,707.48
  6. Step 6: Final answer
    x = 1,864.05

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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.