Home / 2,449.23-3,379.97-1,330.17

Finding the Fourth Proportional to 2,449.23, 3,379.97 and 1,330.17

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Solution

The fourth proportional to 2,449.23, 3,379.97 and 1,330.17 is: 1,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.23 : 3,379.97 = 1,330.17 : x
  2. Step 2: Convert to fraction form
    2,449.23/3,379.97 = 1,330.17/x
  3. Step 3: Cross multiply
    2,449.23x = 3,379.97 × 1,330.17
  4. Step 4: Simplify right side
    2,449.23x = 4,495,938.02
  5. Step 5: Solve for x
    x = 4,495,938.02/2,449.23
  6. Step 6: Final answer
    x = 1,835.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.