Home / 2,910.12-4,016.30-1,731.18

Finding the Fourth Proportional to 2,910.12, 4,016.30 and 1,731.18

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Solution

The fourth proportional to 2,910.12, 4,016.30 and 1,731.18 is: 2,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.12 : 4,016.30 = 1,731.18 : x
  2. Step 2: Convert to fraction form
    2,910.12/4,016.30 = 1,731.18/x
  3. Step 3: Cross multiply
    2,910.12x = 4,016.30 × 1,731.18
  4. Step 4: Simplify right side
    2,910.12x = 6,952,938.23
  5. Step 5: Solve for x
    x = 6,952,938.23/2,910.12
  6. Step 6: Final answer
    x = 2,389.23

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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.