Home / 2,479.91-3,422.24-1,417.66

Finding the Fourth Proportional to 2,479.91, 3,422.24 and 1,417.66

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Solution

The fourth proportional to 2,479.91, 3,422.24 and 1,417.66 is: 1,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.91 : 3,422.24 = 1,417.66 : x
  2. Step 2: Convert to fraction form
    2,479.91/3,422.24 = 1,417.66/x
  3. Step 3: Cross multiply
    2,479.91x = 3,422.24 × 1,417.66
  4. Step 4: Simplify right side
    2,479.91x = 4,851,575.26
  5. Step 5: Solve for x
    x = 4,851,575.26/2,479.91
  6. Step 6: Final answer
    x = 1,956.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.