Home / 2,346.54-3,238.20-1,351.80

Finding the Fourth Proportional to 2,346.54, 3,238.20 and 1,351.80

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Solution

The fourth proportional to 2,346.54, 3,238.20 and 1,351.80 is: 1,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.54 : 3,238.20 = 1,351.80 : x
  2. Step 2: Convert to fraction form
    2,346.54/3,238.20 = 1,351.80/x
  3. Step 3: Cross multiply
    2,346.54x = 3,238.20 × 1,351.80
  4. Step 4: Simplify right side
    2,346.54x = 4,377,398.76
  5. Step 5: Solve for x
    x = 4,377,398.76/2,346.54
  6. Step 6: Final answer
    x = 1,865.47

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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.