Home / 3,122.08-4,687.23-2,864.19

Finding the Fourth Proportional to 3,122.08, 4,687.23 and 2,864.19

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Solution

The fourth proportional to 3,122.08, 4,687.23 and 2,864.19 is: 4,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.08 : 4,687.23 = 2,864.19 : x
  2. Step 2: Convert to fraction form
    3,122.08/4,687.23 = 2,864.19/x
  3. Step 3: Cross multiply
    3,122.08x = 4,687.23 × 2,864.19
  4. Step 4: Simplify right side
    3,122.08x = 13,425,145.61
  5. Step 5: Solve for x
    x = 13,425,145.61/3,122.08
  6. Step 6: Final answer
    x = 4,300.07

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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.