Home / 2,423.87-3,345.23-1,429.13

Finding the Fourth Proportional to 2,423.87, 3,345.23 and 1,429.13

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Solution

The fourth proportional to 2,423.87, 3,345.23 and 1,429.13 is: 1,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.87 : 3,345.23 = 1,429.13 : x
  2. Step 2: Convert to fraction form
    2,423.87/3,345.23 = 1,429.13/x
  3. Step 3: Cross multiply
    2,423.87x = 3,345.23 × 1,429.13
  4. Step 4: Simplify right side
    2,423.87x = 4,780,744.68
  5. Step 5: Solve for x
    x = 4,780,744.68/2,423.87
  6. Step 6: Final answer
    x = 1,972.36

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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.