Home / 2,645.43-3,642.38-2,246.26

Finding the Fourth Proportional to 2,645.43, 3,642.38 and 2,246.26

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Solution

The fourth proportional to 2,645.43, 3,642.38 and 2,246.26 is: 3,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.43 : 3,642.38 = 2,246.26 : x
  2. Step 2: Convert to fraction form
    2,645.43/3,642.38 = 2,246.26/x
  3. Step 3: Cross multiply
    2,645.43x = 3,642.38 × 2,246.26
  4. Step 4: Simplify right side
    2,645.43x = 8,181,703.06
  5. Step 5: Solve for x
    x = 8,181,703.06/2,645.43
  6. Step 6: Final answer
    x = 3,092.77

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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.