Home / 1,799.25-2,700.56-922.38

Finding the Fourth Proportional to 1,799.25, 2,700.56 and 922.38

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Solution

The fourth proportional to 1,799.25, 2,700.56 and 922.38 is: 1,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.25 : 2,700.56 = 922.38 : x
  2. Step 2: Convert to fraction form
    1,799.25/2,700.56 = 922.38/x
  3. Step 3: Cross multiply
    1,799.25x = 2,700.56 × 922.38
  4. Step 4: Simplify right side
    1,799.25x = 2,490,937.92
  5. Step 5: Solve for x
    x = 2,490,937.92/1,799.25
  6. Step 6: Final answer
    x = 1,384.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.