Home / 1,677.87-2,315.57-932.00

Finding the Fourth Proportional to 1,677.87, 2,315.57 and 932.00

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Solution

The fourth proportional to 1,677.87, 2,315.57 and 932.00 is: 1,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.87 : 2,315.57 = 932.00 : x
  2. Step 2: Convert to fraction form
    1,677.87/2,315.57 = 932.00/x
  3. Step 3: Cross multiply
    1,677.87x = 2,315.57 × 932.00
  4. Step 4: Simplify right side
    1,677.87x = 2,158,095.00
  5. Step 5: Solve for x
    x = 2,158,095.00/1,677.87
  6. Step 6: Final answer
    x = 1,286.21

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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.