Home / 3,012.50-4,515.66-1,162.90

Finding the Fourth Proportional to 3,012.50, 4,515.66 and 1,162.90

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Solution

The fourth proportional to 3,012.50, 4,515.66 and 1,162.90 is: 1,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.50 : 4,515.66 = 1,162.90 : x
  2. Step 2: Convert to fraction form
    3,012.50/4,515.66 = 1,162.90/x
  3. Step 3: Cross multiply
    3,012.50x = 4,515.66 × 1,162.90
  4. Step 4: Simplify right side
    3,012.50x = 5,251,261.01
  5. Step 5: Solve for x
    x = 5,251,261.01/3,012.50
  6. Step 6: Final answer
    x = 1,743.16

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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.