Home / 2,869.08-4,305.24-1,225.48

Finding the Fourth Proportional to 2,869.08, 4,305.24 and 1,225.48

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Solution

The fourth proportional to 2,869.08, 4,305.24 and 1,225.48 is: 1,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.08 : 4,305.24 = 1,225.48 : x
  2. Step 2: Convert to fraction form
    2,869.08/4,305.24 = 1,225.48/x
  3. Step 3: Cross multiply
    2,869.08x = 4,305.24 × 1,225.48
  4. Step 4: Simplify right side
    2,869.08x = 5,275,985.52
  5. Step 5: Solve for x
    x = 5,275,985.52/2,869.08
  6. Step 6: Final answer
    x = 1,838.91

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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.