Home / 3,105.42-4,647.20-2,369.13

Finding the Fourth Proportional to 3,105.42, 4,647.20 and 2,369.13

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Solution

The fourth proportional to 3,105.42, 4,647.20 and 2,369.13 is: 3,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.42 : 4,647.20 = 2,369.13 : x
  2. Step 2: Convert to fraction form
    3,105.42/4,647.20 = 2,369.13/x
  3. Step 3: Cross multiply
    3,105.42x = 4,647.20 × 2,369.13
  4. Step 4: Simplify right side
    3,105.42x = 11,009,809.09
  5. Step 5: Solve for x
    x = 11,009,809.09/3,105.42
  6. Step 6: Final answer
    x = 3,545.35

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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.