Home / 1,534.28-2,116.43-944.40

Finding the Fourth Proportional to 1,534.28, 2,116.43 and 944.40

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Solution

The fourth proportional to 1,534.28, 2,116.43 and 944.40 is: 1,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.28 : 2,116.43 = 944.40 : x
  2. Step 2: Convert to fraction form
    1,534.28/2,116.43 = 944.40/x
  3. Step 3: Cross multiply
    1,534.28x = 2,116.43 × 944.40
  4. Step 4: Simplify right side
    1,534.28x = 1,998,756.49
  5. Step 5: Solve for x
    x = 1,998,756.49/1,534.28
  6. Step 6: Final answer
    x = 1,302.73

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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.