Home / 2,423.70-3,344.94-1,429.30

Finding the Fourth Proportional to 2,423.70, 3,344.94 and 1,429.30

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Solution

The fourth proportional to 2,423.70, 3,344.94 and 1,429.30 is: 1,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.70 : 3,344.94 = 1,429.30 : x
  2. Step 2: Convert to fraction form
    2,423.70/3,344.94 = 1,429.30/x
  3. Step 3: Cross multiply
    2,423.70x = 3,344.94 × 1,429.30
  4. Step 4: Simplify right side
    2,423.70x = 4,780,922.74
  5. Step 5: Solve for x
    x = 4,780,922.74/2,423.70
  6. Step 6: Final answer
    x = 1,972.57

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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.