Home / 2,463.12-3,697.80-2,118.64

Finding the Fourth Proportional to 2,463.12, 3,697.80 and 2,118.64

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Solution

The fourth proportional to 2,463.12, 3,697.80 and 2,118.64 is: 3,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.12 : 3,697.80 = 2,118.64 : x
  2. Step 2: Convert to fraction form
    2,463.12/3,697.80 = 2,118.64/x
  3. Step 3: Cross multiply
    2,463.12x = 3,697.80 × 2,118.64
  4. Step 4: Simplify right side
    2,463.12x = 7,834,306.99
  5. Step 5: Solve for x
    x = 7,834,306.99/2,463.12
  6. Step 6: Final answer
    x = 3,180.64

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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.