Home / 1,635.19-2,253.42-1,044.70

Finding the Fourth Proportional to 1,635.19, 2,253.42 and 1,044.70

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Solution

The fourth proportional to 1,635.19, 2,253.42 and 1,044.70 is: 1,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.19 : 2,253.42 = 1,044.70 : x
  2. Step 2: Convert to fraction form
    1,635.19/2,253.42 = 1,044.70/x
  3. Step 3: Cross multiply
    1,635.19x = 2,253.42 × 1,044.70
  4. Step 4: Simplify right side
    1,635.19x = 2,354,142.24
  5. Step 5: Solve for x
    x = 2,354,142.24/1,635.19
  6. Step 6: Final answer
    x = 1,439.68

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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.