Home / 2,874.06-4,310.70-1,118.29

Finding the Fourth Proportional to 2,874.06, 4,310.70 and 1,118.29

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Solution

The fourth proportional to 2,874.06, 4,310.70 and 1,118.29 is: 1,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.06 : 4,310.70 = 1,118.29 : x
  2. Step 2: Convert to fraction form
    2,874.06/4,310.70 = 1,118.29/x
  3. Step 3: Cross multiply
    2,874.06x = 4,310.70 × 1,118.29
  4. Step 4: Simplify right side
    2,874.06x = 4,820,612.70
  5. Step 5: Solve for x
    x = 4,820,612.70/2,874.06
  6. Step 6: Final answer
    x = 1,677.29

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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.