Home / 2,307.39-3,183.29-1,298.87

Finding the Fourth Proportional to 2,307.39, 3,183.29 and 1,298.87

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Solution

The fourth proportional to 2,307.39, 3,183.29 and 1,298.87 is: 1,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.39 : 3,183.29 = 1,298.87 : x
  2. Step 2: Convert to fraction form
    2,307.39/3,183.29 = 1,298.87/x
  3. Step 3: Cross multiply
    2,307.39x = 3,183.29 × 1,298.87
  4. Step 4: Simplify right side
    2,307.39x = 4,134,657.47
  5. Step 5: Solve for x
    x = 4,134,657.47/2,307.39
  6. Step 6: Final answer
    x = 1,791.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.