Home / 3,524.04-5,284.85-1,215

Finding the Fourth Proportional to 3,524.04, 5,284.85 and 1,215

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Solution

The fourth proportional to 3,524.04, 5,284.85 and 1,215 is: 1,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.04 : 5,284.85 = 1,215 : x
  2. Step 2: Convert to fraction form
    3,524.04/5,284.85 = 1,215/x
  3. Step 3: Cross multiply
    3,524.04x = 5,284.85 × 1,215
  4. Step 4: Simplify right side
    3,524.04x = 6,421,086.68
  5. Step 5: Solve for x
    x = 6,421,086.68/3,524.04
  6. Step 6: Final answer
    x = 1,822.08

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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.