Home / 2,769.42-4,154.12-1,125.96

Finding the Fourth Proportional to 2,769.42, 4,154.12 and 1,125.96

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Solution

The fourth proportional to 2,769.42, 4,154.12 and 1,125.96 is: 1,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.42 : 4,154.12 = 1,125.96 : x
  2. Step 2: Convert to fraction form
    2,769.42/4,154.12 = 1,125.96/x
  3. Step 3: Cross multiply
    2,769.42x = 4,154.12 × 1,125.96
  4. Step 4: Simplify right side
    2,769.42x = 4,677,372.96
  5. Step 5: Solve for x
    x = 4,677,372.96/2,769.42
  6. Step 6: Final answer
    x = 1,688.94

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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.