Home / 3,515.16-4,850.76-1,943.22

Finding the Fourth Proportional to 3,515.16, 4,850.76 and 1,943.22

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Solution

The fourth proportional to 3,515.16, 4,850.76 and 1,943.22 is: 2,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.16 : 4,850.76 = 1,943.22 : x
  2. Step 2: Convert to fraction form
    3,515.16/4,850.76 = 1,943.22/x
  3. Step 3: Cross multiply
    3,515.16x = 4,850.76 × 1,943.22
  4. Step 4: Simplify right side
    3,515.16x = 9,426,093.85
  5. Step 5: Solve for x
    x = 9,426,093.85/3,515.16
  6. Step 6: Final answer
    x = 2,681.55

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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.