Home / 2,449.25-3,379.95-1,330.17

Finding the Fourth Proportional to 2,449.25, 3,379.95 and 1,330.17

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Solution

The fourth proportional to 2,449.25, 3,379.95 and 1,330.17 is: 1,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.25 : 3,379.95 = 1,330.17 : x
  2. Step 2: Convert to fraction form
    2,449.25/3,379.95 = 1,330.17/x
  3. Step 3: Cross multiply
    2,449.25x = 3,379.95 × 1,330.17
  4. Step 4: Simplify right side
    2,449.25x = 4,495,908.09
  5. Step 5: Solve for x
    x = 4,495,908.09/2,449.25
  6. Step 6: Final answer
    x = 1,835.63

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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.