Home / 2,223.28-3,068.07-1,214.95

Finding the Fourth Proportional to 2,223.28, 3,068.07 and 1,214.95

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Solution

The fourth proportional to 2,223.28, 3,068.07 and 1,214.95 is: 1,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.28 : 3,068.07 = 1,214.95 : x
  2. Step 2: Convert to fraction form
    2,223.28/3,068.07 = 1,214.95/x
  3. Step 3: Cross multiply
    2,223.28x = 3,068.07 × 1,214.95
  4. Step 4: Simplify right side
    2,223.28x = 3,727,543.98
  5. Step 5: Solve for x
    x = 3,727,543.98/2,223.28
  6. Step 6: Final answer
    x = 1,676.60

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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.