Home / 2,423.90-3,344.98-1,429.18

Finding the Fourth Proportional to 2,423.90, 3,344.98 and 1,429.18

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Solution

The fourth proportional to 2,423.90, 3,344.98 and 1,429.18 is: 1,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.90 : 3,344.98 = 1,429.18 : x
  2. Step 2: Convert to fraction form
    2,423.90/3,344.98 = 1,429.18/x
  3. Step 3: Cross multiply
    2,423.90x = 3,344.98 × 1,429.18
  4. Step 4: Simplify right side
    2,423.90x = 4,780,578.52
  5. Step 5: Solve for x
    x = 4,780,578.52/2,423.90
  6. Step 6: Final answer
    x = 1,972.27

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1.5x scale

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.