Home / 2,331.40-3,496.86-945.46

Finding the Fourth Proportional to 2,331.40, 3,496.86 and 945.46

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Solution

The fourth proportional to 2,331.40, 3,496.86 and 945.46 is: 1,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.40 : 3,496.86 = 945.46 : x
  2. Step 2: Convert to fraction form
    2,331.40/3,496.86 = 945.46/x
  3. Step 3: Cross multiply
    2,331.40x = 3,496.86 × 945.46
  4. Step 4: Simplify right side
    2,331.40x = 3,306,141.26
  5. Step 5: Solve for x
    x = 3,306,141.26/2,331.40
  6. Step 6: Final answer
    x = 1,418.09

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1.5x scale

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.