Home / 2,156.50-3,232.03-922.45

Finding the Fourth Proportional to 2,156.50, 3,232.03 and 922.45

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Solution

The fourth proportional to 2,156.50, 3,232.03 and 922.45 is: 1,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.50 : 3,232.03 = 922.45 : x
  2. Step 2: Convert to fraction form
    2,156.50/3,232.03 = 922.45/x
  3. Step 3: Cross multiply
    2,156.50x = 3,232.03 × 922.45
  4. Step 4: Simplify right side
    2,156.50x = 2,981,386.07
  5. Step 5: Solve for x
    x = 2,981,386.07/2,156.50
  6. Step 6: Final answer
    x = 1,382.51

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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.