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Finding the Fourth Proportional to 3,033.78, 4,550.10 and 841.92

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Solution

The fourth proportional to 3,033.78, 4,550.10 and 841.92 is: 1,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.78 : 4,550.10 = 841.92 : x
  2. Step 2: Convert to fraction form
    3,033.78/4,550.10 = 841.92/x
  3. Step 3: Cross multiply
    3,033.78x = 4,550.10 × 841.92
  4. Step 4: Simplify right side
    3,033.78x = 3,830,820.19
  5. Step 5: Solve for x
    x = 3,830,820.19/3,033.78
  6. Step 6: Final answer
    x = 1,262.72

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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.