Home / 3,103.60-4,655.91-1,439.39

Finding the Fourth Proportional to 3,103.60, 4,655.91 and 1,439.39

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Solution

The fourth proportional to 3,103.60, 4,655.91 and 1,439.39 is: 2,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.60 : 4,655.91 = 1,439.39 : x
  2. Step 2: Convert to fraction form
    3,103.60/4,655.91 = 1,439.39/x
  3. Step 3: Cross multiply
    3,103.60x = 4,655.91 × 1,439.39
  4. Step 4: Simplify right side
    3,103.60x = 6,701,670.29
  5. Step 5: Solve for x
    x = 6,701,670.29/3,103.60
  6. Step 6: Final answer
    x = 2,159.32

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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.