Home / 2,424.38-3,636.65-669.52

Finding the Fourth Proportional to 2,424.38, 3,636.65 and 669.52

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Solution

The fourth proportional to 2,424.38, 3,636.65 and 669.52 is: 1,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.38 : 3,636.65 = 669.52 : x
  2. Step 2: Convert to fraction form
    2,424.38/3,636.65 = 669.52/x
  3. Step 3: Cross multiply
    2,424.38x = 3,636.65 × 669.52
  4. Step 4: Simplify right side
    2,424.38x = 2,434,801.65
  5. Step 5: Solve for x
    x = 2,434,801.65/2,424.38
  6. Step 6: Final answer
    x = 1,004.30

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1.5x scale

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.