Home / 2,479.18-3,711.48-1,655.42

Finding the Fourth Proportional to 2,479.18, 3,711.48 and 1,655.42

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Solution

The fourth proportional to 2,479.18, 3,711.48 and 1,655.42 is: 2,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.18 : 3,711.48 = 1,655.42 : x
  2. Step 2: Convert to fraction form
    2,479.18/3,711.48 = 1,655.42/x
  3. Step 3: Cross multiply
    2,479.18x = 3,711.48 × 1,655.42
  4. Step 4: Simplify right side
    2,479.18x = 6,144,058.22
  5. Step 5: Solve for x
    x = 6,144,058.22/2,479.18
  6. Step 6: Final answer
    x = 2,478.26

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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.