Home / 1,595.16-2,200.85-1,005.89

Finding the Fourth Proportional to 1,595.16, 2,200.85 and 1,005.89

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Solution

The fourth proportional to 1,595.16, 2,200.85 and 1,005.89 is: 1,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.16 : 2,200.85 = 1,005.89 : x
  2. Step 2: Convert to fraction form
    1,595.16/2,200.85 = 1,005.89/x
  3. Step 3: Cross multiply
    1,595.16x = 2,200.85 × 1,005.89
  4. Step 4: Simplify right side
    1,595.16x = 2,213,796.97
  5. Step 5: Solve for x
    x = 2,213,796.97/1,595.16
  6. Step 6: Final answer
    x = 1,387.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.