Home / 3,153.59-4,731.46-1,398.36

Finding the Fourth Proportional to 3,153.59, 4,731.46 and 1,398.36

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Solution

The fourth proportional to 3,153.59, 4,731.46 and 1,398.36 is: 2,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.59 : 4,731.46 = 1,398.36 : x
  2. Step 2: Convert to fraction form
    3,153.59/4,731.46 = 1,398.36/x
  3. Step 3: Cross multiply
    3,153.59x = 4,731.46 × 1,398.36
  4. Step 4: Simplify right side
    3,153.59x = 6,616,284.41
  5. Step 5: Solve for x
    x = 6,616,284.41/3,153.59
  6. Step 6: Final answer
    x = 2,098.02

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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.