Home / 3,162.60-4,743.90-2,670.53

Finding the Fourth Proportional to 3,162.60, 4,743.90 and 2,670.53

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Solution

The fourth proportional to 3,162.60, 4,743.90 and 2,670.53 is: 4,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.60 : 4,743.90 = 2,670.53 : x
  2. Step 2: Convert to fraction form
    3,162.60/4,743.90 = 2,670.53/x
  3. Step 3: Cross multiply
    3,162.60x = 4,743.90 × 2,670.53
  4. Step 4: Simplify right side
    3,162.60x = 12,668,703.55
  5. Step 5: Solve for x
    x = 12,668,703.55/3,162.60
  6. Step 6: Final answer
    x = 4,005.79

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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.