Home / 3,051.20-4,581.60-1,755.20

Finding the Fourth Proportional to 3,051.20, 4,581.60 and 1,755.20

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Solution

The fourth proportional to 3,051.20, 4,581.60 and 1,755.20 is: 2,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.20 : 4,581.60 = 1,755.20 : x
  2. Step 2: Convert to fraction form
    3,051.20/4,581.60 = 1,755.20/x
  3. Step 3: Cross multiply
    3,051.20x = 4,581.60 × 1,755.20
  4. Step 4: Simplify right side
    3,051.20x = 8,041,624.32
  5. Step 5: Solve for x
    x = 8,041,624.32/3,051.20
  6. Step 6: Final answer
    x = 2,635.56

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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.