Home / 2,023.20-3,034.74-636.58

Finding the Fourth Proportional to 2,023.20, 3,034.74 and 636.58

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Solution

The fourth proportional to 2,023.20, 3,034.74 and 636.58 is: 954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.20 : 3,034.74 = 636.58 : x
  2. Step 2: Convert to fraction form
    2,023.20/3,034.74 = 636.58/x
  3. Step 3: Cross multiply
    2,023.20x = 3,034.74 × 636.58
  4. Step 4: Simplify right side
    2,023.20x = 1,931,854.79
  5. Step 5: Solve for x
    x = 1,931,854.79/2,023.20
  6. Step 6: Final answer
    x = 954.85

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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.