Home / 3,439.48-5,159.70-1,248.82

Finding the Fourth Proportional to 3,439.48, 5,159.70 and 1,248.82

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Solution

The fourth proportional to 3,439.48, 5,159.70 and 1,248.82 is: 1,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.48 : 5,159.70 = 1,248.82 : x
  2. Step 2: Convert to fraction form
    3,439.48/5,159.70 = 1,248.82/x
  3. Step 3: Cross multiply
    3,439.48x = 5,159.70 × 1,248.82
  4. Step 4: Simplify right side
    3,439.48x = 6,443,536.55
  5. Step 5: Solve for x
    x = 6,443,536.55/3,439.48
  6. Step 6: Final answer
    x = 1,873.40

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1.5x scale

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.