Home / 3,030.43-4,545.67-839.33

Finding the Fourth Proportional to 3,030.43, 4,545.67 and 839.33

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Solution

The fourth proportional to 3,030.43, 4,545.67 and 839.33 is: 1,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.43 : 4,545.67 = 839.33 : x
  2. Step 2: Convert to fraction form
    3,030.43/4,545.67 = 839.33/x
  3. Step 3: Cross multiply
    3,030.43x = 4,545.67 × 839.33
  4. Step 4: Simplify right side
    3,030.43x = 3,815,310.99
  5. Step 5: Solve for x
    x = 3,815,310.99/3,030.43
  6. Step 6: Final answer
    x = 1,259.00

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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.