Home / 2,429.20-3,351.02-1,838.71

Finding the Fourth Proportional to 2,429.20, 3,351.02 and 1,838.71

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Solution

The fourth proportional to 2,429.20, 3,351.02 and 1,838.71 is: 2,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.20 : 3,351.02 = 1,838.71 : x
  2. Step 2: Convert to fraction form
    2,429.20/3,351.02 = 1,838.71/x
  3. Step 3: Cross multiply
    2,429.20x = 3,351.02 × 1,838.71
  4. Step 4: Simplify right side
    2,429.20x = 6,161,553.98
  5. Step 5: Solve for x
    x = 6,161,553.98/2,429.20
  6. Step 6: Final answer
    x = 2,536.45

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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.