Home / 2,429.04-3,638.70-2,425.80

Finding the Fourth Proportional to 2,429.04, 3,638.70 and 2,425.80

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Solution

The fourth proportional to 2,429.04, 3,638.70 and 2,425.80 is: 3,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.04 : 3,638.70 = 2,425.80 : x
  2. Step 2: Convert to fraction form
    2,429.04/3,638.70 = 2,425.80/x
  3. Step 3: Cross multiply
    2,429.04x = 3,638.70 × 2,425.80
  4. Step 4: Simplify right side
    2,429.04x = 8,826,758.46
  5. Step 5: Solve for x
    x = 8,826,758.46/2,429.04
  6. Step 6: Final answer
    x = 3,633.85

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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.