Home / 3,883.93-5,358.40-2,487.49

Finding the Fourth Proportional to 3,883.93, 5,358.40 and 2,487.49

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Solution

The fourth proportional to 3,883.93, 5,358.40 and 2,487.49 is: 3,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.93 : 5,358.40 = 2,487.49 : x
  2. Step 2: Convert to fraction form
    3,883.93/5,358.40 = 2,487.49/x
  3. Step 3: Cross multiply
    3,883.93x = 5,358.40 × 2,487.49
  4. Step 4: Simplify right side
    3,883.93x = 13,328,966.42
  5. Step 5: Solve for x
    x = 13,328,966.42/3,883.93
  6. Step 6: Final answer
    x = 3,431.82

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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.