Home / 2,650.95-3,972.09-1,350.63

Finding the Fourth Proportional to 2,650.95, 3,972.09 and 1,350.63

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Solution

The fourth proportional to 2,650.95, 3,972.09 and 1,350.63 is: 2,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.95 : 3,972.09 = 1,350.63 : x
  2. Step 2: Convert to fraction form
    2,650.95/3,972.09 = 1,350.63/x
  3. Step 3: Cross multiply
    2,650.95x = 3,972.09 × 1,350.63
  4. Step 4: Simplify right side
    2,650.95x = 5,364,823.92
  5. Step 5: Solve for x
    x = 5,364,823.92/2,650.95
  6. Step 6: Final answer
    x = 2,023.74

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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.