Home / 1,764.73-2,645.18-1,148.87

Finding the Fourth Proportional to 1,764.73, 2,645.18 and 1,148.87

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Solution

The fourth proportional to 1,764.73, 2,645.18 and 1,148.87 is: 1,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.73 : 2,645.18 = 1,148.87 : x
  2. Step 2: Convert to fraction form
    1,764.73/2,645.18 = 1,148.87/x
  3. Step 3: Cross multiply
    1,764.73x = 2,645.18 × 1,148.87
  4. Step 4: Simplify right side
    1,764.73x = 3,038,967.95
  5. Step 5: Solve for x
    x = 3,038,967.95/1,764.73
  6. Step 6: Final answer
    x = 1,722.06

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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.