Home / 2,223.66-3,068.53-1,229.02

Finding the Fourth Proportional to 2,223.66, 3,068.53 and 1,229.02

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Solution

The fourth proportional to 2,223.66, 3,068.53 and 1,229.02 is: 1,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.66 : 3,068.53 = 1,229.02 : x
  2. Step 2: Convert to fraction form
    2,223.66/3,068.53 = 1,229.02/x
  3. Step 3: Cross multiply
    2,223.66x = 3,068.53 × 1,229.02
  4. Step 4: Simplify right side
    2,223.66x = 3,771,284.74
  5. Step 5: Solve for x
    x = 3,771,284.74/2,223.66
  6. Step 6: Final answer
    x = 1,695.98

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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.