Home / 2,436.40-3,362.80-1,651.20

Finding the Fourth Proportional to 2,436.40, 3,362.80 and 1,651.20

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Solution

The fourth proportional to 2,436.40, 3,362.80 and 1,651.20 is: 2,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.40 : 3,362.80 = 1,651.20 : x
  2. Step 2: Convert to fraction form
    2,436.40/3,362.80 = 1,651.20/x
  3. Step 3: Cross multiply
    2,436.40x = 3,362.80 × 1,651.20
  4. Step 4: Simplify right side
    2,436.40x = 5,552,655.36
  5. Step 5: Solve for x
    x = 5,552,655.36/2,436.40
  6. Step 6: Final answer
    x = 2,279.04

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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.