Home / 1,754.18-2,420.80-968.26

Finding the Fourth Proportional to 1,754.18, 2,420.80 and 968.26

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Solution

The fourth proportional to 1,754.18, 2,420.80 and 968.26 is: 1,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.18 : 2,420.80 = 968.26 : x
  2. Step 2: Convert to fraction form
    1,754.18/2,420.80 = 968.26/x
  3. Step 3: Cross multiply
    1,754.18x = 2,420.80 × 968.26
  4. Step 4: Simplify right side
    1,754.18x = 2,343,963.81
  5. Step 5: Solve for x
    x = 2,343,963.81/1,754.18
  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.