Home / 3,707.70-5,117.12-2,114.93

Finding the Fourth Proportional to 3,707.70, 5,117.12 and 2,114.93

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Solution

The fourth proportional to 3,707.70, 5,117.12 and 2,114.93 is: 2,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.70 : 5,117.12 = 2,114.93 : x
  2. Step 2: Convert to fraction form
    3,707.70/5,117.12 = 2,114.93/x
  3. Step 3: Cross multiply
    3,707.70x = 5,117.12 × 2,114.93
  4. Step 4: Simplify right side
    3,707.70x = 10,822,314.44
  5. Step 5: Solve for x
    x = 10,822,314.44/3,707.70
  6. Step 6: Final answer
    x = 2,918.88

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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.