Home / 3,943.55-5,910.30-2,095.55

Finding the Fourth Proportional to 3,943.55, 5,910.30 and 2,095.55

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Solution

The fourth proportional to 3,943.55, 5,910.30 and 2,095.55 is: 3,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.55 : 5,910.30 = 2,095.55 : x
  2. Step 2: Convert to fraction form
    3,943.55/5,910.30 = 2,095.55/x
  3. Step 3: Cross multiply
    3,943.55x = 5,910.30 × 2,095.55
  4. Step 4: Simplify right side
    3,943.55x = 12,385,329.17
  5. Step 5: Solve for x
    x = 12,385,329.17/3,943.55
  6. Step 6: Final answer
    x = 3,140.65

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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.