Home / 2,436.91-3,656.63-1,327.11

Finding the Fourth Proportional to 2,436.91, 3,656.63 and 1,327.11

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Solution

The fourth proportional to 2,436.91, 3,656.63 and 1,327.11 is: 1,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.91 : 3,656.63 = 1,327.11 : x
  2. Step 2: Convert to fraction form
    2,436.91/3,656.63 = 1,327.11/x
  3. Step 3: Cross multiply
    2,436.91x = 3,656.63 × 1,327.11
  4. Step 4: Simplify right side
    2,436.91x = 4,852,750.24
  5. Step 5: Solve for x
    x = 4,852,750.24/2,436.91
  6. Step 6: Final answer
    x = 1,991.35

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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.