Home / 2,853.34-4,279.95-1,691.32

Finding the Fourth Proportional to 2,853.34, 4,279.95 and 1,691.32

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Solution

The fourth proportional to 2,853.34, 4,279.95 and 1,691.32 is: 2,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.34 : 4,279.95 = 1,691.32 : x
  2. Step 2: Convert to fraction form
    2,853.34/4,279.95 = 1,691.32/x
  3. Step 3: Cross multiply
    2,853.34x = 4,279.95 × 1,691.32
  4. Step 4: Simplify right side
    2,853.34x = 7,238,765.03
  5. Step 5: Solve for x
    x = 7,238,765.03/2,853.34
  6. Step 6: Final answer
    x = 2,536.94

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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.