Home / 3,306.64-4,989.96-3,196.48

Finding the Fourth Proportional to 3,306.64, 4,989.96 and 3,196.48

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Solution

The fourth proportional to 3,306.64, 4,989.96 and 3,196.48 is: 4,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.64 : 4,989.96 = 3,196.48 : x
  2. Step 2: Convert to fraction form
    3,306.64/4,989.96 = 3,196.48/x
  3. Step 3: Cross multiply
    3,306.64x = 4,989.96 × 3,196.48
  4. Step 4: Simplify right side
    3,306.64x = 15,950,307.34
  5. Step 5: Solve for x
    x = 15,950,307.34/3,306.64
  6. Step 6: Final answer
    x = 4,823.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.