Home / 3,515.19-4,851.15-1,943.25

Finding the Fourth Proportional to 3,515.19, 4,851.15 and 1,943.25

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Solution

The fourth proportional to 3,515.19, 4,851.15 and 1,943.25 is: 2,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.19 : 4,851.15 = 1,943.25 : x
  2. Step 2: Convert to fraction form
    3,515.19/4,851.15 = 1,943.25/x
  3. Step 3: Cross multiply
    3,515.19x = 4,851.15 × 1,943.25
  4. Step 4: Simplify right side
    3,515.19x = 9,426,997.24
  5. Step 5: Solve for x
    x = 9,426,997.24/3,515.19
  6. Step 6: Final answer
    x = 2,681.79

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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.