Home / 3,429.33-5,143.59-1,349.25

Finding the Fourth Proportional to 3,429.33, 5,143.59 and 1,349.25

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Solution

The fourth proportional to 3,429.33, 5,143.59 and 1,349.25 is: 2,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.33 : 5,143.59 = 1,349.25 : x
  2. Step 2: Convert to fraction form
    3,429.33/5,143.59 = 1,349.25/x
  3. Step 3: Cross multiply
    3,429.33x = 5,143.59 × 1,349.25
  4. Step 4: Simplify right side
    3,429.33x = 6,939,988.81
  5. Step 5: Solve for x
    x = 6,939,988.81/3,429.33
  6. Step 6: Final answer
    x = 2,023.72

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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.