Home / 3,713.85-5,131.59-2,923.44

Finding the Fourth Proportional to 3,713.85, 5,131.59 and 2,923.44

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Solution

The fourth proportional to 3,713.85, 5,131.59 and 2,923.44 is: 4,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.85 : 5,131.59 = 2,923.44 : x
  2. Step 2: Convert to fraction form
    3,713.85/5,131.59 = 2,923.44/x
  3. Step 3: Cross multiply
    3,713.85x = 5,131.59 × 2,923.44
  4. Step 4: Simplify right side
    3,713.85x = 15,001,894.13
  5. Step 5: Solve for x
    x = 15,001,894.13/3,713.85
  6. Step 6: Final answer
    x = 4,039.45

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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.