Home / 2,253.95-3,380.92-1,386.44

Finding the Fourth Proportional to 2,253.95, 3,380.92 and 1,386.44

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Solution

The fourth proportional to 2,253.95, 3,380.92 and 1,386.44 is: 2,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.95 : 3,380.92 = 1,386.44 : x
  2. Step 2: Convert to fraction form
    2,253.95/3,380.92 = 1,386.44/x
  3. Step 3: Cross multiply
    2,253.95x = 3,380.92 × 1,386.44
  4. Step 4: Simplify right side
    2,253.95x = 4,687,442.72
  5. Step 5: Solve for x
    x = 4,687,442.72/2,253.95
  6. Step 6: Final answer
    x = 2,079.66

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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.