Home / 3,011.28-4,515.92-1,162.32

Finding the Fourth Proportional to 3,011.28, 4,515.92 and 1,162.32

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Solution

The fourth proportional to 3,011.28, 4,515.92 and 1,162.32 is: 1,743.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.28 : 4,515.92 = 1,162.32 : x
  2. Step 2: Convert to fraction form
    3,011.28/4,515.92 = 1,162.32/x
  3. Step 3: Cross multiply
    3,011.28x = 4,515.92 × 1,162.32
  4. Step 4: Simplify right side
    3,011.28x = 5,248,944.13
  5. Step 5: Solve for x
    x = 5,248,944.13/3,011.28
  6. Step 6: Final answer
    x = 1,743.09

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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.