Home / 2,865.08-4,293.52-1,405.24

Finding the Fourth Proportional to 2,865.08, 4,293.52 and 1,405.24

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Solution

The fourth proportional to 2,865.08, 4,293.52 and 1,405.24 is: 2,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.08 : 4,293.52 = 1,405.24 : x
  2. Step 2: Convert to fraction form
    2,865.08/4,293.52 = 1,405.24/x
  3. Step 3: Cross multiply
    2,865.08x = 4,293.52 × 1,405.24
  4. Step 4: Simplify right side
    2,865.08x = 6,033,426.04
  5. Step 5: Solve for x
    x = 6,033,426.04/2,865.08
  6. Step 6: Final answer
    x = 2,105.85

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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.