Home / 2,770.65-4,157.52-1,472.08

Finding the Fourth Proportional to 2,770.65, 4,157.52 and 1,472.08

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Solution

The fourth proportional to 2,770.65, 4,157.52 and 1,472.08 is: 2,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.65 : 4,157.52 = 1,472.08 : x
  2. Step 2: Convert to fraction form
    2,770.65/4,157.52 = 1,472.08/x
  3. Step 3: Cross multiply
    2,770.65x = 4,157.52 × 1,472.08
  4. Step 4: Simplify right side
    2,770.65x = 6,120,202.04
  5. Step 5: Solve for x
    x = 6,120,202.04/2,770.65
  6. Step 6: Final answer
    x = 2,208.94

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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.