Home / 3,429.05-5,143.67-1,349.58

Finding the Fourth Proportional to 3,429.05, 5,143.67 and 1,349.58

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Solution

The fourth proportional to 3,429.05, 5,143.67 and 1,349.58 is: 2,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.05 : 5,143.67 = 1,349.58 : x
  2. Step 2: Convert to fraction form
    3,429.05/5,143.67 = 1,349.58/x
  3. Step 3: Cross multiply
    3,429.05x = 5,143.67 × 1,349.58
  4. Step 4: Simplify right side
    3,429.05x = 6,941,787.41
  5. Step 5: Solve for x
    x = 6,941,787.41/3,429.05
  6. Step 6: Final answer
    x = 2,024.41

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1.5x scale

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.