Home / 3,033.61-4,550.45-1,278.91

Finding the Fourth Proportional to 3,033.61, 4,550.45 and 1,278.91

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Solution

The fourth proportional to 3,033.61, 4,550.45 and 1,278.91 is: 1,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.61 : 4,550.45 = 1,278.91 : x
  2. Step 2: Convert to fraction form
    3,033.61/4,550.45 = 1,278.91/x
  3. Step 3: Cross multiply
    3,033.61x = 4,550.45 × 1,278.91
  4. Step 4: Simplify right side
    3,033.61x = 5,819,609.61
  5. Step 5: Solve for x
    x = 5,819,609.61/3,033.61
  6. Step 6: Final answer
    x = 1,918.38

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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.