Home / 2,256.18-3,384.30-1,215.54

Finding the Fourth Proportional to 2,256.18, 3,384.30 and 1,215.54

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Solution

The fourth proportional to 2,256.18, 3,384.30 and 1,215.54 is: 1,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.18 : 3,384.30 = 1,215.54 : x
  2. Step 2: Convert to fraction form
    2,256.18/3,384.30 = 1,215.54/x
  3. Step 3: Cross multiply
    2,256.18x = 3,384.30 × 1,215.54
  4. Step 4: Simplify right side
    2,256.18x = 4,113,752.02
  5. Step 5: Solve for x
    x = 4,113,752.02/2,256.18
  6. Step 6: Final answer
    x = 1,823.33

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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.