Home / 1,327.60-1,981.58-1,245.52

Finding the Fourth Proportional to 1,327.60, 1,981.58 and 1,245.52

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Solution

The fourth proportional to 1,327.60, 1,981.58 and 1,245.52 is: 1,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.60 : 1,981.58 = 1,245.52 : x
  2. Step 2: Convert to fraction form
    1,327.60/1,981.58 = 1,245.52/x
  3. Step 3: Cross multiply
    1,327.60x = 1,981.58 × 1,245.52
  4. Step 4: Simplify right side
    1,327.60x = 2,468,097.52
  5. Step 5: Solve for x
    x = 2,468,097.52/1,327.60
  6. Step 6: Final answer
    x = 1,859.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.