Home / 2,429.80-3,353.64-1,545.44

Finding the Fourth Proportional to 2,429.80, 3,353.64 and 1,545.44

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Solution

The fourth proportional to 2,429.80, 3,353.64 and 1,545.44 is: 2,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.80 : 3,353.64 = 1,545.44 : x
  2. Step 2: Convert to fraction form
    2,429.80/3,353.64 = 1,545.44/x
  3. Step 3: Cross multiply
    2,429.80x = 3,353.64 × 1,545.44
  4. Step 4: Simplify right side
    2,429.80x = 5,182,849.40
  5. Step 5: Solve for x
    x = 5,182,849.40/2,429.80
  6. Step 6: Final answer
    x = 2,133.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.