Home / 2,548.12-3,822.15-699.18

Finding the Fourth Proportional to 2,548.12, 3,822.15 and 699.18

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Solution

The fourth proportional to 2,548.12, 3,822.15 and 699.18 is: 1,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.12 : 3,822.15 = 699.18 : x
  2. Step 2: Convert to fraction form
    2,548.12/3,822.15 = 699.18/x
  3. Step 3: Cross multiply
    2,548.12x = 3,822.15 × 699.18
  4. Step 4: Simplify right side
    2,548.12x = 2,672,370.84
  5. Step 5: Solve for x
    x = 2,672,370.84/2,548.12
  6. Step 6: Final answer
    x = 1,048.76

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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.