Home / 3,430.33-5,142.75-3,237.15

Finding the Fourth Proportional to 3,430.33, 5,142.75 and 3,237.15

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Solution

The fourth proportional to 3,430.33, 5,142.75 and 3,237.15 is: 4,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.33 : 5,142.75 = 3,237.15 : x
  2. Step 2: Convert to fraction form
    3,430.33/5,142.75 = 3,237.15/x
  3. Step 3: Cross multiply
    3,430.33x = 5,142.75 × 3,237.15
  4. Step 4: Simplify right side
    3,430.33x = 16,647,853.16
  5. Step 5: Solve for x
    x = 16,647,853.16/3,430.33
  6. Step 6: Final answer
    x = 4,853.13

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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.