Home / 1,677.50-2,516.25-1,215.52

Finding the Fourth Proportional to 1,677.50, 2,516.25 and 1,215.52

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Solution

The fourth proportional to 1,677.50, 2,516.25 and 1,215.52 is: 1,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.50 : 2,516.25 = 1,215.52 : x
  2. Step 2: Convert to fraction form
    1,677.50/2,516.25 = 1,215.52/x
  3. Step 3: Cross multiply
    1,677.50x = 2,516.25 × 1,215.52
  4. Step 4: Simplify right side
    1,677.50x = 3,058,539.62
  5. Step 5: Solve for x
    x = 3,058,539.62/1,677.50
  6. Step 6: Final answer
    x = 1,823.27

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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.