Home / 2,439.18-3,660.84-1,207.98

Finding the Fourth Proportional to 2,439.18, 3,660.84 and 1,207.98

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Solution

The fourth proportional to 2,439.18, 3,660.84 and 1,207.98 is: 1,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.18 : 3,660.84 = 1,207.98 : x
  2. Step 2: Convert to fraction form
    2,439.18/3,660.84 = 1,207.98/x
  3. Step 3: Cross multiply
    2,439.18x = 3,660.84 × 1,207.98
  4. Step 4: Simplify right side
    2,439.18x = 4,422,221.50
  5. Step 5: Solve for x
    x = 4,422,221.50/2,439.18
  6. Step 6: Final answer
    x = 1,813.00

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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.