Home / 2,254.48-3,381.78-1,084.30

Finding the Fourth Proportional to 2,254.48, 3,381.78 and 1,084.30

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Solution

The fourth proportional to 2,254.48, 3,381.78 and 1,084.30 is: 1,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.48 : 3,381.78 = 1,084.30 : x
  2. Step 2: Convert to fraction form
    2,254.48/3,381.78 = 1,084.30/x
  3. Step 3: Cross multiply
    2,254.48x = 3,381.78 × 1,084.30
  4. Step 4: Simplify right side
    2,254.48x = 3,666,864.05
  5. Step 5: Solve for x
    x = 3,666,864.05/2,254.48
  6. Step 6: Final answer
    x = 1,626.48

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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.