Home / 2,088.11-3,118.25-1,966.61

Finding the Fourth Proportional to 2,088.11, 3,118.25 and 1,966.61

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Solution

The fourth proportional to 2,088.11, 3,118.25 and 1,966.61 is: 2,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.11 : 3,118.25 = 1,966.61 : x
  2. Step 2: Convert to fraction form
    2,088.11/3,118.25 = 1,966.61/x
  3. Step 3: Cross multiply
    2,088.11x = 3,118.25 × 1,966.61
  4. Step 4: Simplify right side
    2,088.11x = 6,132,356.21
  5. Step 5: Solve for x
    x = 6,132,356.21/2,088.11
  6. Step 6: Final answer
    x = 2,936.80

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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.