Home / 3,554.94-5,332.56-1,215

Finding the Fourth Proportional to 3,554.94, 5,332.56 and 1,215

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Solution

The fourth proportional to 3,554.94, 5,332.56 and 1,215 is: 1,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.94 : 5,332.56 = 1,215 : x
  2. Step 2: Convert to fraction form
    3,554.94/5,332.56 = 1,215/x
  3. Step 3: Cross multiply
    3,554.94x = 5,332.56 × 1,215
  4. Step 4: Simplify right side
    3,554.94x = 6,479,060.40
  5. Step 5: Solve for x
    x = 6,479,060.40/3,554.94
  6. Step 6: Final answer
    x = 1,822.55

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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.