Home / 2,165.59-3,251.63-1,757.35

Finding the Fourth Proportional to 2,165.59, 3,251.63 and 1,757.35

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Solution

The fourth proportional to 2,165.59, 3,251.63 and 1,757.35 is: 2,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.59 : 3,251.63 = 1,757.35 : x
  2. Step 2: Convert to fraction form
    2,165.59/3,251.63 = 1,757.35/x
  3. Step 3: Cross multiply
    2,165.59x = 3,251.63 × 1,757.35
  4. Step 4: Simplify right side
    2,165.59x = 5,714,251.98
  5. Step 5: Solve for x
    x = 5,714,251.98/2,165.59
  6. Step 6: Final answer
    x = 2,638.66

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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.