Home / 2,752.25-4,125.95-2,105.87

Finding the Fourth Proportional to 2,752.25, 4,125.95 and 2,105.87

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Solution

The fourth proportional to 2,752.25, 4,125.95 and 2,105.87 is: 3,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.25 : 4,125.95 = 2,105.87 : x
  2. Step 2: Convert to fraction form
    2,752.25/4,125.95 = 2,105.87/x
  3. Step 3: Cross multiply
    2,752.25x = 4,125.95 × 2,105.87
  4. Step 4: Simplify right side
    2,752.25x = 8,688,722.01
  5. Step 5: Solve for x
    x = 8,688,722.01/2,752.25
  6. Step 6: Final answer
    x = 3,156.95

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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.