Home / 2,678.22-4,017.29-2,612.04

Finding the Fourth Proportional to 2,678.22, 4,017.29 and 2,612.04

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Solution

The fourth proportional to 2,678.22, 4,017.29 and 2,612.04 is: 3,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.22 : 4,017.29 = 2,612.04 : x
  2. Step 2: Convert to fraction form
    2,678.22/4,017.29 = 2,612.04/x
  3. Step 3: Cross multiply
    2,678.22x = 4,017.29 × 2,612.04
  4. Step 4: Simplify right side
    2,678.22x = 10,493,328.70
  5. Step 5: Solve for x
    x = 10,493,328.70/2,678.22
  6. Step 6: Final answer
    x = 3,918.02

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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.