Home / 2,245.18-3,366.24-1,148.65

Finding the Fourth Proportional to 2,245.18, 3,366.24 and 1,148.65

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Solution

The fourth proportional to 2,245.18, 3,366.24 and 1,148.65 is: 1,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.18 : 3,366.24 = 1,148.65 : x
  2. Step 2: Convert to fraction form
    2,245.18/3,366.24 = 1,148.65/x
  3. Step 3: Cross multiply
    2,245.18x = 3,366.24 × 1,148.65
  4. Step 4: Simplify right side
    2,245.18x = 3,866,631.58
  5. Step 5: Solve for x
    x = 3,866,631.58/2,245.18
  6. Step 6: Final answer
    x = 1,722.19

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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.