Home / 1,631.57-2,252.07-1,042.00

Finding the Fourth Proportional to 1,631.57, 2,252.07 and 1,042.00

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Solution

The fourth proportional to 1,631.57, 2,252.07 and 1,042.00 is: 1,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.57 : 2,252.07 = 1,042.00 : x
  2. Step 2: Convert to fraction form
    1,631.57/2,252.07 = 1,042.00/x
  3. Step 3: Cross multiply
    1,631.57x = 2,252.07 × 1,042.00
  4. Step 4: Simplify right side
    1,631.57x = 2,346,651.31
  5. Step 5: Solve for x
    x = 2,346,651.31/1,631.57
  6. Step 6: Final answer
    x = 1,438.28

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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.