Home / 3,160.20-4,738.60-1,050.88

Finding the Fourth Proportional to 3,160.20, 4,738.60 and 1,050.88

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Solution

The fourth proportional to 3,160.20, 4,738.60 and 1,050.88 is: 1,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.20 : 4,738.60 = 1,050.88 : x
  2. Step 2: Convert to fraction form
    3,160.20/4,738.60 = 1,050.88/x
  3. Step 3: Cross multiply
    3,160.20x = 4,738.60 × 1,050.88
  4. Step 4: Simplify right side
    3,160.20x = 4,979,699.97
  5. Step 5: Solve for x
    x = 4,979,699.97/3,160.20
  6. Step 6: Final answer
    x = 1,575.75

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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.