Home / 3,686.61-5,519.05-2,434.91

Finding the Fourth Proportional to 3,686.61, 5,519.05 and 2,434.91

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Solution

The fourth proportional to 3,686.61, 5,519.05 and 2,434.91 is: 3,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.61 : 5,519.05 = 2,434.91 : x
  2. Step 2: Convert to fraction form
    3,686.61/5,519.05 = 2,434.91/x
  3. Step 3: Cross multiply
    3,686.61x = 5,519.05 × 2,434.91
  4. Step 4: Simplify right side
    3,686.61x = 13,438,356.35
  5. Step 5: Solve for x
    x = 13,438,356.35/3,686.61
  6. Step 6: Final answer
    x = 3,645.18

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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.