Home / 2,865.08-4,296.36-1,479.20

Finding the Fourth Proportional to 2,865.08, 4,296.36 and 1,479.20

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Solution

The fourth proportional to 2,865.08, 4,296.36 and 1,479.20 is: 2,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.08 : 4,296.36 = 1,479.20 : x
  2. Step 2: Convert to fraction form
    2,865.08/4,296.36 = 1,479.20/x
  3. Step 3: Cross multiply
    2,865.08x = 4,296.36 × 1,479.20
  4. Step 4: Simplify right side
    2,865.08x = 6,355,175.71
  5. Step 5: Solve for x
    x = 6,355,175.71/2,865.08
  6. Step 6: Final answer
    x = 2,218.15

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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.