Home / 3,393.18-5,089.37-928.22

Finding the Fourth Proportional to 3,393.18, 5,089.37 and 928.22

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Solution

The fourth proportional to 3,393.18, 5,089.37 and 928.22 is: 1,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.18 : 5,089.37 = 928.22 : x
  2. Step 2: Convert to fraction form
    3,393.18/5,089.37 = 928.22/x
  3. Step 3: Cross multiply
    3,393.18x = 5,089.37 × 928.22
  4. Step 4: Simplify right side
    3,393.18x = 4,724,024.93
  5. Step 5: Solve for x
    x = 4,724,024.93/3,393.18
  6. Step 6: Final answer
    x = 1,392.21

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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.