Home / 3,064.19-4,229.53-1,805.14

Finding the Fourth Proportional to 3,064.19, 4,229.53 and 1,805.14

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Solution

The fourth proportional to 3,064.19, 4,229.53 and 1,805.14 is: 2,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.19 : 4,229.53 = 1,805.14 : x
  2. Step 2: Convert to fraction form
    3,064.19/4,229.53 = 1,805.14/x
  3. Step 3: Cross multiply
    3,064.19x = 4,229.53 × 1,805.14
  4. Step 4: Simplify right side
    3,064.19x = 7,634,893.78
  5. Step 5: Solve for x
    x = 7,634,893.78/3,064.19
  6. Step 6: Final answer
    x = 2,491.65

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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.