Home / 2,489.03-3,732.29-1,393.10

Finding the Fourth Proportional to 2,489.03, 3,732.29 and 1,393.10

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Solution

The fourth proportional to 2,489.03, 3,732.29 and 1,393.10 is: 2,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.03 : 3,732.29 = 1,393.10 : x
  2. Step 2: Convert to fraction form
    2,489.03/3,732.29 = 1,393.10/x
  3. Step 3: Cross multiply
    2,489.03x = 3,732.29 × 1,393.10
  4. Step 4: Simplify right side
    2,489.03x = 5,199,460.79
  5. Step 5: Solve for x
    x = 5,199,460.79/2,489.03
  6. Step 6: Final answer
    x = 2,088.95

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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.