Home / 1,754.24-2,420.85-968.28

Finding the Fourth Proportional to 1,754.24, 2,420.85 and 968.28

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Solution

The fourth proportional to 1,754.24, 2,420.85 and 968.28 is: 1,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.24 : 2,420.85 = 968.28 : x
  2. Step 2: Convert to fraction form
    1,754.24/2,420.85 = 968.28/x
  3. Step 3: Cross multiply
    1,754.24x = 2,420.85 × 968.28
  4. Step 4: Simplify right side
    1,754.24x = 2,344,055.80
  5. Step 5: Solve for x
    x = 2,344,055.80/1,754.24
  6. Step 6: Final answer
    x = 1,336.22

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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.