Home / 3,354.78-4,989.94-3,343.55

Finding the Fourth Proportional to 3,354.78, 4,989.94 and 3,343.55

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Solution

The fourth proportional to 3,354.78, 4,989.94 and 3,343.55 is: 4,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.78 : 4,989.94 = 3,343.55 : x
  2. Step 2: Convert to fraction form
    3,354.78/4,989.94 = 3,343.55/x
  3. Step 3: Cross multiply
    3,354.78x = 4,989.94 × 3,343.55
  4. Step 4: Simplify right side
    3,354.78x = 16,684,080.58
  5. Step 5: Solve for x
    x = 16,684,080.58/3,354.78
  6. Step 6: Final answer
    x = 4,973.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.