Home / 2,617.68-3,926.52-1,230.15

Finding the Fourth Proportional to 2,617.68, 3,926.52 and 1,230.15

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Solution

The fourth proportional to 2,617.68, 3,926.52 and 1,230.15 is: 1,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.68 : 3,926.52 = 1,230.15 : x
  2. Step 2: Convert to fraction form
    2,617.68/3,926.52 = 1,230.15/x
  3. Step 3: Cross multiply
    2,617.68x = 3,926.52 × 1,230.15
  4. Step 4: Simplify right side
    2,617.68x = 4,830,208.58
  5. Step 5: Solve for x
    x = 4,830,208.58/2,617.68
  6. Step 6: Final answer
    x = 1,845.23

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Similar ratio
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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.