Home / 3,292.39-4,543.45-1,965.85

Finding the Fourth Proportional to 3,292.39, 4,543.45 and 1,965.85

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Solution

The fourth proportional to 3,292.39, 4,543.45 and 1,965.85 is: 2,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.39 : 4,543.45 = 1,965.85 : x
  2. Step 2: Convert to fraction form
    3,292.39/4,543.45 = 1,965.85/x
  3. Step 3: Cross multiply
    3,292.39x = 4,543.45 × 1,965.85
  4. Step 4: Simplify right side
    3,292.39x = 8,931,724.91
  5. Step 5: Solve for x
    x = 8,931,724.91/3,292.39
  6. Step 6: Final answer
    x = 2,712.84

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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.