Home / 2,769.95-4,154.92-1,126.13

Finding the Fourth Proportional to 2,769.95, 4,154.92 and 1,126.13

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Solution

The fourth proportional to 2,769.95, 4,154.92 and 1,126.13 is: 1,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.95 : 4,154.92 = 1,126.13 : x
  2. Step 2: Convert to fraction form
    2,769.95/4,154.92 = 1,126.13/x
  3. Step 3: Cross multiply
    2,769.95x = 4,154.92 × 1,126.13
  4. Step 4: Simplify right side
    2,769.95x = 4,678,956.47
  5. Step 5: Solve for x
    x = 4,678,956.47/2,769.95
  6. Step 6: Final answer
    x = 1,689.18

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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.