Home / 2,710.80-4,063.40-1,475.60

Finding the Fourth Proportional to 2,710.80, 4,063.40 and 1,475.60

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Solution

The fourth proportional to 2,710.80, 4,063.40 and 1,475.60 is: 2,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.80 : 4,063.40 = 1,475.60 : x
  2. Step 2: Convert to fraction form
    2,710.80/4,063.40 = 1,475.60/x
  3. Step 3: Cross multiply
    2,710.80x = 4,063.40 × 1,475.60
  4. Step 4: Simplify right side
    2,710.80x = 5,995,953.04
  5. Step 5: Solve for x
    x = 5,995,953.04/2,710.80
  6. Step 6: Final answer
    x = 2,211.88

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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.