Home / 1,760.45-2,641.43-836.66

Finding the Fourth Proportional to 1,760.45, 2,641.43 and 836.66

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Solution

The fourth proportional to 1,760.45, 2,641.43 and 836.66 is: 1,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.45 : 2,641.43 = 836.66 : x
  2. Step 2: Convert to fraction form
    1,760.45/2,641.43 = 836.66/x
  3. Step 3: Cross multiply
    1,760.45x = 2,641.43 × 836.66
  4. Step 4: Simplify right side
    1,760.45x = 2,209,978.82
  5. Step 5: Solve for x
    x = 2,209,978.82/1,760.45
  6. Step 6: Final answer
    x = 1,255.35

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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.