Home / 4,081.08-5,632.02-2,218.08

Finding the Fourth Proportional to 4,081.08, 5,632.02 and 2,218.08

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Solution

The fourth proportional to 4,081.08, 5,632.02 and 2,218.08 is: 3,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.08 : 5,632.02 = 2,218.08 : x
  2. Step 2: Convert to fraction form
    4,081.08/5,632.02 = 2,218.08/x
  3. Step 3: Cross multiply
    4,081.08x = 5,632.02 × 2,218.08
  4. Step 4: Simplify right side
    4,081.08x = 12,492,270.92
  5. Step 5: Solve for x
    x = 12,492,270.92/4,081.08
  6. Step 6: Final answer
    x = 3,061.02

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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.