Home / 3,515.18-4,850.88-1,943.28

Finding the Fourth Proportional to 3,515.18, 4,850.88 and 1,943.28

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Solution

The fourth proportional to 3,515.18, 4,850.88 and 1,943.28 is: 2,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.18 : 4,850.88 = 1,943.28 : x
  2. Step 2: Convert to fraction form
    3,515.18/4,850.88 = 1,943.28/x
  3. Step 3: Cross multiply
    3,515.18x = 4,850.88 × 1,943.28
  4. Step 4: Simplify right side
    3,515.18x = 9,426,618.09
  5. Step 5: Solve for x
    x = 9,426,618.09/3,515.18
  6. Step 6: Final answer
    x = 2,681.69

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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.