Home / 1,944.12-2,916.15-576.12

Finding the Fourth Proportional to 1,944.12, 2,916.15 and 576.12

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Solution

The fourth proportional to 1,944.12, 2,916.15 and 576.12 is: 864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.12 : 2,916.15 = 576.12 : x
  2. Step 2: Convert to fraction form
    1,944.12/2,916.15 = 576.12/x
  3. Step 3: Cross multiply
    1,944.12x = 2,916.15 × 576.12
  4. Step 4: Simplify right side
    1,944.12x = 1,680,052.34
  5. Step 5: Solve for x
    x = 1,680,052.34/1,944.12
  6. Step 6: Final answer
    x = 864.17

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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.