Home / 2,656.52-3,980.08-1,614.39

Finding the Fourth Proportional to 2,656.52, 3,980.08 and 1,614.39

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Solution

The fourth proportional to 2,656.52, 3,980.08 and 1,614.39 is: 2,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.52 : 3,980.08 = 1,614.39 : x
  2. Step 2: Convert to fraction form
    2,656.52/3,980.08 = 1,614.39/x
  3. Step 3: Cross multiply
    2,656.52x = 3,980.08 × 1,614.39
  4. Step 4: Simplify right side
    2,656.52x = 6,425,401.35
  5. Step 5: Solve for x
    x = 6,425,401.35/2,656.52
  6. Step 6: Final answer
    x = 2,418.73

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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.