Home / 2,253.53-3,380.31-1,266.18

Finding the Fourth Proportional to 2,253.53, 3,380.31 and 1,266.18

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Solution

The fourth proportional to 2,253.53, 3,380.31 and 1,266.18 is: 1,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.53 : 3,380.31 = 1,266.18 : x
  2. Step 2: Convert to fraction form
    2,253.53/3,380.31 = 1,266.18/x
  3. Step 3: Cross multiply
    2,253.53x = 3,380.31 × 1,266.18
  4. Step 4: Simplify right side
    2,253.53x = 4,280,080.92
  5. Step 5: Solve for x
    x = 4,280,080.92/2,253.53
  6. Step 6: Final answer
    x = 1,899.28

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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.