Home / 2,548.96-3,821.28-1,378.24

Finding the Fourth Proportional to 2,548.96, 3,821.28 and 1,378.24

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Solution

The fourth proportional to 2,548.96, 3,821.28 and 1,378.24 is: 2,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.96 : 3,821.28 = 1,378.24 : x
  2. Step 2: Convert to fraction form
    2,548.96/3,821.28 = 1,378.24/x
  3. Step 3: Cross multiply
    2,548.96x = 3,821.28 × 1,378.24
  4. Step 4: Simplify right side
    2,548.96x = 5,266,640.95
  5. Step 5: Solve for x
    x = 5,266,640.95/2,548.96
  6. Step 6: Final answer
    x = 2,066.19

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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.