Home / 2,213.15-3,315.30-1,335.17

Finding the Fourth Proportional to 2,213.15, 3,315.30 and 1,335.17

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Solution

The fourth proportional to 2,213.15, 3,315.30 and 1,335.17 is: 2,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.15 : 3,315.30 = 1,335.17 : x
  2. Step 2: Convert to fraction form
    2,213.15/3,315.30 = 1,335.17/x
  3. Step 3: Cross multiply
    2,213.15x = 3,315.30 × 1,335.17
  4. Step 4: Simplify right side
    2,213.15x = 4,426,472.52
  5. Step 5: Solve for x
    x = 4,426,472.52/2,213.15
  6. Step 6: Final answer
    x = 2,000.08

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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.