Home / 1,631.28-2,250.23-1,041.15

Finding the Fourth Proportional to 1,631.28, 2,250.23 and 1,041.15

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Solution

The fourth proportional to 1,631.28, 2,250.23 and 1,041.15 is: 1,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.28 : 2,250.23 = 1,041.15 : x
  2. Step 2: Convert to fraction form
    1,631.28/2,250.23 = 1,041.15/x
  3. Step 3: Cross multiply
    1,631.28x = 2,250.23 × 1,041.15
  4. Step 4: Simplify right side
    1,631.28x = 2,342,821.76
  5. Step 5: Solve for x
    x = 2,342,821.76/1,631.28
  6. Step 6: Final answer
    x = 1,436.19

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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.