Home / 3,103.60-4,653.93-1,127.85

Finding the Fourth Proportional to 3,103.60, 4,653.93 and 1,127.85

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Solution

The fourth proportional to 3,103.60, 4,653.93 and 1,127.85 is: 1,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.60 : 4,653.93 = 1,127.85 : x
  2. Step 2: Convert to fraction form
    3,103.60/4,653.93 = 1,127.85/x
  3. Step 3: Cross multiply
    3,103.60x = 4,653.93 × 1,127.85
  4. Step 4: Simplify right side
    3,103.60x = 5,248,934.95
  5. Step 5: Solve for x
    x = 5,248,934.95/3,103.60
  6. Step 6: Final answer
    x = 1,691.24

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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.