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Finding the Fourth Proportional to 1,630.62, 2,247.99 and 1,041.18

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Solution

The fourth proportional to 1,630.62, 2,247.99 and 1,041.18 is: 1,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.62 : 2,247.99 = 1,041.18 : x
  2. Step 2: Convert to fraction form
    1,630.62/2,247.99 = 1,041.18/x
  3. Step 3: Cross multiply
    1,630.62x = 2,247.99 × 1,041.18
  4. Step 4: Simplify right side
    1,630.62x = 2,340,562.23
  5. Step 5: Solve for x
    x = 2,340,562.23/1,630.62
  6. Step 6: Final answer
    x = 1,435.38

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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.