Home / 1,765.30-2,634.91-1,655.86

Finding the Fourth Proportional to 1,765.30, 2,634.91 and 1,655.86

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Solution

The fourth proportional to 1,765.30, 2,634.91 and 1,655.86 is: 2,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.30 : 2,634.91 = 1,655.86 : x
  2. Step 2: Convert to fraction form
    1,765.30/2,634.91 = 1,655.86/x
  3. Step 3: Cross multiply
    1,765.30x = 2,634.91 × 1,655.86
  4. Step 4: Simplify right side
    1,765.30x = 4,363,042.07
  5. Step 5: Solve for x
    x = 4,363,042.07/1,765.30
  6. Step 6: Final answer
    x = 2,471.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.