Home / 3,987.33-5,502.65-2,494.77

Finding the Fourth Proportional to 3,987.33, 5,502.65 and 2,494.77

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Solution

The fourth proportional to 3,987.33, 5,502.65 and 2,494.77 is: 3,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987.33 : 5,502.65 = 2,494.77 : x
  2. Step 2: Convert to fraction form
    3,987.33/5,502.65 = 2,494.77/x
  3. Step 3: Cross multiply
    3,987.33x = 5,502.65 × 2,494.77
  4. Step 4: Simplify right side
    3,987.33x = 13,727,846.14
  5. Step 5: Solve for x
    x = 13,727,846.14/3,987.33
  6. Step 6: Final answer
    x = 3,442.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.