Home / 3,329.76-4,590.60-2,386.92

Finding the Fourth Proportional to 3,329.76, 4,590.60 and 2,386.92

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Solution

The fourth proportional to 3,329.76, 4,590.60 and 2,386.92 is: 3,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.76 : 4,590.60 = 2,386.92 : x
  2. Step 2: Convert to fraction form
    3,329.76/4,590.60 = 2,386.92/x
  3. Step 3: Cross multiply
    3,329.76x = 4,590.60 × 2,386.92
  4. Step 4: Simplify right side
    3,329.76x = 10,957,394.95
  5. Step 5: Solve for x
    x = 10,957,394.95/3,329.76
  6. Step 6: Final answer
    x = 3,290.75

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Half scale
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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.