Home / 2,910.57-4,016.28-1,731.43

Finding the Fourth Proportional to 2,910.57, 4,016.28 and 1,731.43

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Solution

The fourth proportional to 2,910.57, 4,016.28 and 1,731.43 is: 2,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.57 : 4,016.28 = 1,731.43 : x
  2. Step 2: Convert to fraction form
    2,910.57/4,016.28 = 1,731.43/x
  3. Step 3: Cross multiply
    2,910.57x = 4,016.28 × 1,731.43
  4. Step 4: Simplify right side
    2,910.57x = 6,953,907.68
  5. Step 5: Solve for x
    x = 6,953,907.68/2,910.57
  6. Step 6: Final answer
    x = 2,389.19

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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.