Home / 3,071.32-4,609.24-2,479.68

Finding the Fourth Proportional to 3,071.32, 4,609.24 and 2,479.68

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Solution

The fourth proportional to 3,071.32, 4,609.24 and 2,479.68 is: 3,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.32 : 4,609.24 = 2,479.68 : x
  2. Step 2: Convert to fraction form
    3,071.32/4,609.24 = 2,479.68/x
  3. Step 3: Cross multiply
    3,071.32x = 4,609.24 × 2,479.68
  4. Step 4: Simplify right side
    3,071.32x = 11,429,434.04
  5. Step 5: Solve for x
    x = 11,429,434.04/3,071.32
  6. Step 6: Final answer
    x = 3,721.35

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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.