Home / 2,355.78-3,250.92-1,307.82

Finding the Fourth Proportional to 2,355.78, 3,250.92 and 1,307.82

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Solution

The fourth proportional to 2,355.78, 3,250.92 and 1,307.82 is: 1,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.78 : 3,250.92 = 1,307.82 : x
  2. Step 2: Convert to fraction form
    2,355.78/3,250.92 = 1,307.82/x
  3. Step 3: Cross multiply
    2,355.78x = 3,250.92 × 1,307.82
  4. Step 4: Simplify right side
    2,355.78x = 4,251,618.19
  5. Step 5: Solve for x
    x = 4,251,618.19/2,355.78
  6. Step 6: Final answer
    x = 1,804.76

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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.