Home / 1,552.71-2,142.68-844.53

Finding the Fourth Proportional to 1,552.71, 2,142.68 and 844.53

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Solution

The fourth proportional to 1,552.71, 2,142.68 and 844.53 is: 1,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.71 : 2,142.68 = 844.53 : x
  2. Step 2: Convert to fraction form
    1,552.71/2,142.68 = 844.53/x
  3. Step 3: Cross multiply
    1,552.71x = 2,142.68 × 844.53
  4. Step 4: Simplify right side
    1,552.71x = 1,809,553.32
  5. Step 5: Solve for x
    x = 1,809,553.32/1,552.71
  6. Step 6: Final answer
    x = 1,165.42

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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.