Home / 2,464.80-3,705.30-2,108.40

Finding the Fourth Proportional to 2,464.80, 3,705.30 and 2,108.40

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Solution

The fourth proportional to 2,464.80, 3,705.30 and 2,108.40 is: 3,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,464.80 : 3,705.30 = 2,108.40 : x
  2. Step 2: Convert to fraction form
    2,464.80/3,705.30 = 2,108.40/x
  3. Step 3: Cross multiply
    2,464.80x = 3,705.30 × 2,108.40
  4. Step 4: Simplify right side
    2,464.80x = 7,812,254.52
  5. Step 5: Solve for x
    x = 7,812,254.52/2,464.80
  6. Step 6: Final answer
    x = 3,169.53

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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.