Home / 2,480.40-3,723.12-1,656

Finding the Fourth Proportional to 2,480.40, 3,723.12 and 1,656

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Solution

The fourth proportional to 2,480.40, 3,723.12 and 1,656 is: 2,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.40 : 3,723.12 = 1,656 : x
  2. Step 2: Convert to fraction form
    2,480.40/3,723.12 = 1,656/x
  3. Step 3: Cross multiply
    2,480.40x = 3,723.12 × 1,656
  4. Step 4: Simplify right side
    2,480.40x = 6,165,486.72
  5. Step 5: Solve for x
    x = 6,165,486.72/2,480.40
  6. Step 6: Final answer
    x = 2,485.68

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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.