Home / 3,705.47-5,114.84-2,134.19

Finding the Fourth Proportional to 3,705.47, 5,114.84 and 2,134.19

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Solution

The fourth proportional to 3,705.47, 5,114.84 and 2,134.19 is: 2,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.47 : 5,114.84 = 2,134.19 : x
  2. Step 2: Convert to fraction form
    3,705.47/5,114.84 = 2,134.19/x
  3. Step 3: Cross multiply
    3,705.47x = 5,114.84 × 2,134.19
  4. Step 4: Simplify right side
    3,705.47x = 10,916,029.71
  5. Step 5: Solve for x
    x = 10,916,029.71/3,705.47
  6. Step 6: Final answer
    x = 2,945.92

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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.