Home / 2,551.23-3,822.12-2,182.19

Finding the Fourth Proportional to 2,551.23, 3,822.12 and 2,182.19

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Solution

The fourth proportional to 2,551.23, 3,822.12 and 2,182.19 is: 3,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.23 : 3,822.12 = 2,182.19 : x
  2. Step 2: Convert to fraction form
    2,551.23/3,822.12 = 2,182.19/x
  3. Step 3: Cross multiply
    2,551.23x = 3,822.12 × 2,182.19
  4. Step 4: Simplify right side
    2,551.23x = 8,340,572.93
  5. Step 5: Solve for x
    x = 8,340,572.93/2,551.23
  6. Step 6: Final answer
    x = 3,269.24

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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.