Home / 2,423.90-3,635.57-669.03

Finding the Fourth Proportional to 2,423.90, 3,635.57 and 669.03

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Solution

The fourth proportional to 2,423.90, 3,635.57 and 669.03 is: 1,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.90 : 3,635.57 = 669.03 : x
  2. Step 2: Convert to fraction form
    2,423.90/3,635.57 = 669.03/x
  3. Step 3: Cross multiply
    2,423.90x = 3,635.57 × 669.03
  4. Step 4: Simplify right side
    2,423.90x = 2,432,307.07
  5. Step 5: Solve for x
    x = 2,432,307.07/2,423.90
  6. Step 6: Final answer
    x = 1,003.47

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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.