Home / 2,479.36-3,718.96-1,248.11

Finding the Fourth Proportional to 2,479.36, 3,718.96 and 1,248.11

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Solution

The fourth proportional to 2,479.36, 3,718.96 and 1,248.11 is: 1,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.36 : 3,718.96 = 1,248.11 : x
  2. Step 2: Convert to fraction form
    2,479.36/3,718.96 = 1,248.11/x
  3. Step 3: Cross multiply
    2,479.36x = 3,718.96 × 1,248.11
  4. Step 4: Simplify right side
    2,479.36x = 4,641,670.42
  5. Step 5: Solve for x
    x = 4,641,670.42/2,479.36
  6. Step 6: Final answer
    x = 1,872.12

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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.