Home / 3,285.36-4,531.95-2,291.49

Finding the Fourth Proportional to 3,285.36, 4,531.95 and 2,291.49

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Solution

The fourth proportional to 3,285.36, 4,531.95 and 2,291.49 is: 3,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.36 : 4,531.95 = 2,291.49 : x
  2. Step 2: Convert to fraction form
    3,285.36/4,531.95 = 2,291.49/x
  3. Step 3: Cross multiply
    3,285.36x = 4,531.95 × 2,291.49
  4. Step 4: Simplify right side
    3,285.36x = 10,384,918.11
  5. Step 5: Solve for x
    x = 10,384,918.11/3,285.36
  6. Step 6: Final answer
    x = 3,160.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.