Home / 1,721.04-2,571.68-1,168.60

Finding the Fourth Proportional to 1,721.04, 2,571.68 and 1,168.60

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Solution

The fourth proportional to 1,721.04, 2,571.68 and 1,168.60 is: 1,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.04 : 2,571.68 = 1,168.60 : x
  2. Step 2: Convert to fraction form
    1,721.04/2,571.68 = 1,168.60/x
  3. Step 3: Cross multiply
    1,721.04x = 2,571.68 × 1,168.60
  4. Step 4: Simplify right side
    1,721.04x = 3,005,265.25
  5. Step 5: Solve for x
    x = 3,005,265.25/1,721.04
  6. Step 6: Final answer
    x = 1,746.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.