Home / 2,193.69-3,290.45-895.13

Finding the Fourth Proportional to 2,193.69, 3,290.45 and 895.13

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Solution

The fourth proportional to 2,193.69, 3,290.45 and 895.13 is: 1,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.69 : 3,290.45 = 895.13 : x
  2. Step 2: Convert to fraction form
    2,193.69/3,290.45 = 895.13/x
  3. Step 3: Cross multiply
    2,193.69x = 3,290.45 × 895.13
  4. Step 4: Simplify right side
    2,193.69x = 2,945,359.58
  5. Step 5: Solve for x
    x = 2,945,359.58/2,193.69
  6. Step 6: Final answer
    x = 1,342.65

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Half scale
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Double scale
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Similar ratio
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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.