Home / 3,114.82-4,298.29-1,935.87

Finding the Fourth Proportional to 3,114.82, 4,298.29 and 1,935.87

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Solution

The fourth proportional to 3,114.82, 4,298.29 and 1,935.87 is: 2,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.82 : 4,298.29 = 1,935.87 : x
  2. Step 2: Convert to fraction form
    3,114.82/4,298.29 = 1,935.87/x
  3. Step 3: Cross multiply
    3,114.82x = 4,298.29 × 1,935.87
  4. Step 4: Simplify right side
    3,114.82x = 8,320,930.66
  5. Step 5: Solve for x
    x = 8,320,930.66/3,114.82
  6. Step 6: Final answer
    x = 2,671.40

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Double scale
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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.