Home / 2,670.60-4,007.42-1,131.56

Finding the Fourth Proportional to 2,670.60, 4,007.42 and 1,131.56

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Solution

The fourth proportional to 2,670.60, 4,007.42 and 1,131.56 is: 1,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.60 : 4,007.42 = 1,131.56 : x
  2. Step 2: Convert to fraction form
    2,670.60/4,007.42 = 1,131.56/x
  3. Step 3: Cross multiply
    2,670.60x = 4,007.42 × 1,131.56
  4. Step 4: Simplify right side
    2,670.60x = 4,534,636.18
  5. Step 5: Solve for x
    x = 4,534,636.18/2,670.60
  6. Step 6: Final answer
    x = 1,697.98

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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.