Home / 2,769.93-4,154.87-1,126.46

Finding the Fourth Proportional to 2,769.93, 4,154.87 and 1,126.46

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Solution

The fourth proportional to 2,769.93, 4,154.87 and 1,126.46 is: 1,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.93 : 4,154.87 = 1,126.46 : x
  2. Step 2: Convert to fraction form
    2,769.93/4,154.87 = 1,126.46/x
  3. Step 3: Cross multiply
    2,769.93x = 4,154.87 × 1,126.46
  4. Step 4: Simplify right side
    2,769.93x = 4,680,268.45
  5. Step 5: Solve for x
    x = 4,680,268.45/2,769.93
  6. Step 6: Final answer
    x = 1,689.67

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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.