Home / 2,853.56-3,934.30-2,427.76

Finding the Fourth Proportional to 2,853.56, 3,934.30 and 2,427.76

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Solution

The fourth proportional to 2,853.56, 3,934.30 and 2,427.76 is: 3,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.56 : 3,934.30 = 2,427.76 : x
  2. Step 2: Convert to fraction form
    2,853.56/3,934.30 = 2,427.76/x
  3. Step 3: Cross multiply
    2,853.56x = 3,934.30 × 2,427.76
  4. Step 4: Simplify right side
    2,853.56x = 9,551,536.17
  5. Step 5: Solve for x
    x = 9,551,536.17/2,853.56
  6. Step 6: Final answer
    x = 3,347.24

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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.