Home / 3,326.21-4,590.87-1,910.13

Finding the Fourth Proportional to 3,326.21, 4,590.87 and 1,910.13

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Solution

The fourth proportional to 3,326.21, 4,590.87 and 1,910.13 is: 2,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.21 : 4,590.87 = 1,910.13 : x
  2. Step 2: Convert to fraction form
    3,326.21/4,590.87 = 1,910.13/x
  3. Step 3: Cross multiply
    3,326.21x = 4,590.87 × 1,910.13
  4. Step 4: Simplify right side
    3,326.21x = 8,769,158.51
  5. Step 5: Solve for x
    x = 8,769,158.51/3,326.21
  6. Step 6: Final answer
    x = 2,636.39

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Half scale
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Double 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.