Home / 2,225.43-3,061.95-2,170.77

Finding the Fourth Proportional to 2,225.43, 3,061.95 and 2,170.77

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Solution

The fourth proportional to 2,225.43, 3,061.95 and 2,170.77 is: 2,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.43 : 3,061.95 = 2,170.77 : x
  2. Step 2: Convert to fraction form
    2,225.43/3,061.95 = 2,170.77/x
  3. Step 3: Cross multiply
    2,225.43x = 3,061.95 × 2,170.77
  4. Step 4: Simplify right side
    2,225.43x = 6,646,789.20
  5. Step 5: Solve for x
    x = 6,646,789.20/2,225.43
  6. Step 6: Final answer
    x = 2,986.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.