Home / 2,125.12-3,165.77-2,060.64

Finding the Fourth Proportional to 2,125.12, 3,165.77 and 2,060.64

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Solution

The fourth proportional to 2,125.12, 3,165.77 and 2,060.64 is: 3,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.12 : 3,165.77 = 2,060.64 : x
  2. Step 2: Convert to fraction form
    2,125.12/3,165.77 = 2,060.64/x
  3. Step 3: Cross multiply
    2,125.12x = 3,165.77 × 2,060.64
  4. Step 4: Simplify right side
    2,125.12x = 6,523,512.29
  5. Step 5: Solve for x
    x = 6,523,512.29/2,125.12
  6. Step 6: Final answer
    x = 3,069.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.