Home / 1,217.23-1,827.36-1,168.02

Finding the Fourth Proportional to 1,217.23, 1,827.36 and 1,168.02

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Solution

The fourth proportional to 1,217.23, 1,827.36 and 1,168.02 is: 1,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.23 : 1,827.36 = 1,168.02 : x
  2. Step 2: Convert to fraction form
    1,217.23/1,827.36 = 1,168.02/x
  3. Step 3: Cross multiply
    1,217.23x = 1,827.36 × 1,168.02
  4. Step 4: Simplify right side
    1,217.23x = 2,134,393.03
  5. Step 5: Solve for x
    x = 2,134,393.03/1,217.23
  6. Step 6: Final answer
    x = 1,753.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.