Home / 2,626.36-3,939.54-1,165.12

Finding the Fourth Proportional to 2,626.36, 3,939.54 and 1,165.12

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Solution

The fourth proportional to 2,626.36, 3,939.54 and 1,165.12 is: 1,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.36 : 3,939.54 = 1,165.12 : x
  2. Step 2: Convert to fraction form
    2,626.36/3,939.54 = 1,165.12/x
  3. Step 3: Cross multiply
    2,626.36x = 3,939.54 × 1,165.12
  4. Step 4: Simplify right side
    2,626.36x = 4,590,036.84
  5. Step 5: Solve for x
    x = 4,590,036.84/2,626.36
  6. Step 6: Final answer
    x = 1,747.68

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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.