Home / 3,959.17-5,463.43-2,190.69

Finding the Fourth Proportional to 3,959.17, 5,463.43 and 2,190.69

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Solution

The fourth proportional to 3,959.17, 5,463.43 and 2,190.69 is: 3,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.17 : 5,463.43 = 2,190.69 : x
  2. Step 2: Convert to fraction form
    3,959.17/5,463.43 = 2,190.69/x
  3. Step 3: Cross multiply
    3,959.17x = 5,463.43 × 2,190.69
  4. Step 4: Simplify right side
    3,959.17x = 11,968,681.47
  5. Step 5: Solve for x
    x = 11,968,681.47/3,959.17
  6. Step 6: Final answer
    x = 3,023.03

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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.