Home / 3,101.34-4,279.64-1,774.83

Finding the Fourth Proportional to 3,101.34, 4,279.64 and 1,774.83

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Solution

The fourth proportional to 3,101.34, 4,279.64 and 1,774.83 is: 2,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.34 : 4,279.64 = 1,774.83 : x
  2. Step 2: Convert to fraction form
    3,101.34/4,279.64 = 1,774.83/x
  3. Step 3: Cross multiply
    3,101.34x = 4,279.64 × 1,774.83
  4. Step 4: Simplify right side
    3,101.34x = 7,595,612.06
  5. Step 5: Solve for x
    x = 7,595,612.06/3,101.34
  6. Step 6: Final answer
    x = 2,449.14

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1.5x scale

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.