Home / 3,475.52-5,211.57-1,718.48

Finding the Fourth Proportional to 3,475.52, 5,211.57 and 1,718.48

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Solution

The fourth proportional to 3,475.52, 5,211.57 and 1,718.48 is: 2,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.52 : 5,211.57 = 1,718.48 : x
  2. Step 2: Convert to fraction form
    3,475.52/5,211.57 = 1,718.48/x
  3. Step 3: Cross multiply
    3,475.52x = 5,211.57 × 1,718.48
  4. Step 4: Simplify right side
    3,475.52x = 8,955,991.84
  5. Step 5: Solve for x
    x = 8,955,991.84/3,475.52
  6. Step 6: Final answer
    x = 2,576.88

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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.