Home / 2,050.60-3,074.10-1,229.20

Finding the Fourth Proportional to 2,050.60, 3,074.10 and 1,229.20

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Solution

The fourth proportional to 2,050.60, 3,074.10 and 1,229.20 is: 1,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.60 : 3,074.10 = 1,229.20 : x
  2. Step 2: Convert to fraction form
    2,050.60/3,074.10 = 1,229.20/x
  3. Step 3: Cross multiply
    2,050.60x = 3,074.10 × 1,229.20
  4. Step 4: Simplify right side
    2,050.60x = 3,778,683.72
  5. Step 5: Solve for x
    x = 3,778,683.72/2,050.60
  6. Step 6: Final answer
    x = 1,842.72

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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.