Home / 1,631.20-2,250.22-1,032.68

Finding the Fourth Proportional to 1,631.20, 2,250.22 and 1,032.68

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Solution

The fourth proportional to 1,631.20, 2,250.22 and 1,032.68 is: 1,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.20 : 2,250.22 = 1,032.68 : x
  2. Step 2: Convert to fraction form
    1,631.20/2,250.22 = 1,032.68/x
  3. Step 3: Cross multiply
    1,631.20x = 2,250.22 × 1,032.68
  4. Step 4: Simplify right side
    1,631.20x = 2,323,760.72
  5. Step 5: Solve for x
    x = 2,323,760.72/1,631.20
  6. Step 6: Final answer
    x = 1,424.57

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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.