Home / 1,818.24-2,724.80-1,362.56

Finding the Fourth Proportional to 1,818.24, 2,724.80 and 1,362.56

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Solution

The fourth proportional to 1,818.24, 2,724.80 and 1,362.56 is: 2,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.24 : 2,724.80 = 1,362.56 : x
  2. Step 2: Convert to fraction form
    1,818.24/2,724.80 = 1,362.56/x
  3. Step 3: Cross multiply
    1,818.24x = 2,724.80 × 1,362.56
  4. Step 4: Simplify right side
    1,818.24x = 3,712,703.49
  5. Step 5: Solve for x
    x = 3,712,703.49/1,818.24
  6. Step 6: Final answer
    x = 2,041.92

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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.