Home / 2,350.05-3,531.45-1,255.20

Finding the Fourth Proportional to 2,350.05, 3,531.45 and 1,255.20

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Solution

The fourth proportional to 2,350.05, 3,531.45 and 1,255.20 is: 1,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.05 : 3,531.45 = 1,255.20 : x
  2. Step 2: Convert to fraction form
    2,350.05/3,531.45 = 1,255.20/x
  3. Step 3: Cross multiply
    2,350.05x = 3,531.45 × 1,255.20
  4. Step 4: Simplify right side
    2,350.05x = 4,432,676.04
  5. Step 5: Solve for x
    x = 4,432,676.04/2,350.05
  6. Step 6: Final answer
    x = 1,886.20

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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.