Home / 2,715.32-4,063.80-1,479.44

Finding the Fourth Proportional to 2,715.32, 4,063.80 and 1,479.44

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Solution

The fourth proportional to 2,715.32, 4,063.80 and 1,479.44 is: 2,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.32 : 4,063.80 = 1,479.44 : x
  2. Step 2: Convert to fraction form
    2,715.32/4,063.80 = 1,479.44/x
  3. Step 3: Cross multiply
    2,715.32x = 4,063.80 × 1,479.44
  4. Step 4: Simplify right side
    2,715.32x = 6,012,148.27
  5. Step 5: Solve for x
    x = 6,012,148.27/2,715.32
  6. Step 6: Final answer
    x = 2,214.16

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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.