Home / 3,899.61-5,851.80-1,434.15

Finding the Fourth Proportional to 3,899.61, 5,851.80 and 1,434.15

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Solution

The fourth proportional to 3,899.61, 5,851.80 and 1,434.15 is: 2,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.61 : 5,851.80 = 1,434.15 : x
  2. Step 2: Convert to fraction form
    3,899.61/5,851.80 = 1,434.15/x
  3. Step 3: Cross multiply
    3,899.61x = 5,851.80 × 1,434.15
  4. Step 4: Simplify right side
    3,899.61x = 8,392,358.97
  5. Step 5: Solve for x
    x = 8,392,358.97/3,899.61
  6. Step 6: Final answer
    x = 2,152.10

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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.