Home / 2,555.44-3,528.12-1,769.20

Finding the Fourth Proportional to 2,555.44, 3,528.12 and 1,769.20

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Solution

The fourth proportional to 2,555.44, 3,528.12 and 1,769.20 is: 2,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.44 : 3,528.12 = 1,769.20 : x
  2. Step 2: Convert to fraction form
    2,555.44/3,528.12 = 1,769.20/x
  3. Step 3: Cross multiply
    2,555.44x = 3,528.12 × 1,769.20
  4. Step 4: Simplify right side
    2,555.44x = 6,241,949.90
  5. Step 5: Solve for x
    x = 6,241,949.90/2,555.44
  6. Step 6: Final answer
    x = 2,442.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.