Home / 3,723.76-5,137.15-2,307.07

Finding the Fourth Proportional to 3,723.76, 5,137.15 and 2,307.07

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Solution

The fourth proportional to 3,723.76, 5,137.15 and 2,307.07 is: 3,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.76 : 5,137.15 = 2,307.07 : x
  2. Step 2: Convert to fraction form
    3,723.76/5,137.15 = 2,307.07/x
  3. Step 3: Cross multiply
    3,723.76x = 5,137.15 × 2,307.07
  4. Step 4: Simplify right side
    3,723.76x = 11,851,764.65
  5. Step 5: Solve for x
    x = 11,851,764.65/3,723.76
  6. Step 6: Final answer
    x = 3,182.74

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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.