Home / 2,436.78-3,655.80-976.92

Finding the Fourth Proportional to 2,436.78, 3,655.80 and 976.92

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Solution

The fourth proportional to 2,436.78, 3,655.80 and 976.92 is: 1,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.78 : 3,655.80 = 976.92 : x
  2. Step 2: Convert to fraction form
    2,436.78/3,655.80 = 976.92/x
  3. Step 3: Cross multiply
    2,436.78x = 3,655.80 × 976.92
  4. Step 4: Simplify right side
    2,436.78x = 3,571,424.14
  5. Step 5: Solve for x
    x = 3,571,424.14/2,436.78
  6. Step 6: Final answer
    x = 1,465.63

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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.