Home / 3,515.24-4,850.94-1,943.30

Finding the Fourth Proportional to 3,515.24, 4,850.94 and 1,943.30

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Solution

The fourth proportional to 3,515.24, 4,850.94 and 1,943.30 is: 2,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.24 : 4,850.94 = 1,943.30 : x
  2. Step 2: Convert to fraction form
    3,515.24/4,850.94 = 1,943.30/x
  3. Step 3: Cross multiply
    3,515.24x = 4,850.94 × 1,943.30
  4. Step 4: Simplify right side
    3,515.24x = 9,426,831.70
  5. Step 5: Solve for x
    x = 9,426,831.70/3,515.24
  6. Step 6: Final answer
    x = 2,681.70

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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.