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Finding the Fourth Proportional to 2,201.86, 3,302.79 and 741.02

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Solution

The fourth proportional to 2,201.86, 3,302.79 and 741.02 is: 1,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.86 : 3,302.79 = 741.02 : x
  2. Step 2: Convert to fraction form
    2,201.86/3,302.79 = 741.02/x
  3. Step 3: Cross multiply
    2,201.86x = 3,302.79 × 741.02
  4. Step 4: Simplify right side
    2,201.86x = 2,447,416.93
  5. Step 5: Solve for x
    x = 2,447,416.93/2,201.86
  6. Step 6: Final answer
    x = 1,111.52

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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.