Home / 2,346.20-3,252.56-2,221.36

Finding the Fourth Proportional to 2,346.20, 3,252.56 and 2,221.36

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Solution

The fourth proportional to 2,346.20, 3,252.56 and 2,221.36 is: 3,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.20 : 3,252.56 = 2,221.36 : x
  2. Step 2: Convert to fraction form
    2,346.20/3,252.56 = 2,221.36/x
  3. Step 3: Cross multiply
    2,346.20x = 3,252.56 × 2,221.36
  4. Step 4: Simplify right side
    2,346.20x = 7,225,106.68
  5. Step 5: Solve for x
    x = 7,225,106.68/2,346.20
  6. Step 6: Final answer
    x = 3,079.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.