Home / 2,641.36-3,640.80-2,346.16

Finding the Fourth Proportional to 2,641.36, 3,640.80 and 2,346.16

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Solution

The fourth proportional to 2,641.36, 3,640.80 and 2,346.16 is: 3,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.36 : 3,640.80 = 2,346.16 : x
  2. Step 2: Convert to fraction form
    2,641.36/3,640.80 = 2,346.16/x
  3. Step 3: Cross multiply
    2,641.36x = 3,640.80 × 2,346.16
  4. Step 4: Simplify right side
    2,641.36x = 8,541,899.33
  5. Step 5: Solve for x
    x = 8,541,899.33/2,641.36
  6. Step 6: Final answer
    x = 3,233.90

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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.