Home / 2,088.18-3,132.18-855.18

Finding the Fourth Proportional to 2,088.18, 3,132.18 and 855.18

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Solution

The fourth proportional to 2,088.18, 3,132.18 and 855.18 is: 1,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.18 : 3,132.18 = 855.18 : x
  2. Step 2: Convert to fraction form
    2,088.18/3,132.18 = 855.18/x
  3. Step 3: Cross multiply
    2,088.18x = 3,132.18 × 855.18
  4. Step 4: Simplify right side
    2,088.18x = 2,678,577.69
  5. Step 5: Solve for x
    x = 2,678,577.69/2,088.18
  6. Step 6: Final answer
    x = 1,282.73

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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.