Home / 1,825.80-2,739.10-527.22

Finding the Fourth Proportional to 1,825.80, 2,739.10 and 527.22

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Solution

The fourth proportional to 1,825.80, 2,739.10 and 527.22 is: 790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.80 : 2,739.10 = 527.22 : x
  2. Step 2: Convert to fraction form
    1,825.80/2,739.10 = 527.22/x
  3. Step 3: Cross multiply
    1,825.80x = 2,739.10 × 527.22
  4. Step 4: Simplify right side
    1,825.80x = 1,444,108.30
  5. Step 5: Solve for x
    x = 1,444,108.30/1,825.80
  6. Step 6: Final answer
    x = 790.95

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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.