Home / 4,124.12-5,691.35-2,235.74

Finding the Fourth Proportional to 4,124.12, 5,691.35 and 2,235.74

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Solution

The fourth proportional to 4,124.12, 5,691.35 and 2,235.74 is: 3,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.12 : 5,691.35 = 2,235.74 : x
  2. Step 2: Convert to fraction form
    4,124.12/5,691.35 = 2,235.74/x
  3. Step 3: Cross multiply
    4,124.12x = 5,691.35 × 2,235.74
  4. Step 4: Simplify right side
    4,124.12x = 12,724,378.85
  5. Step 5: Solve for x
    x = 12,724,378.85/4,124.12
  6. Step 6: Final answer
    x = 3,085.36

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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.