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Finding the Fourth Proportional to 2,844.86, 3,925.22 and 1,602.86

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Solution

The fourth proportional to 2,844.86, 3,925.22 and 1,602.86 is: 2,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.86 : 3,925.22 = 1,602.86 : x
  2. Step 2: Convert to fraction form
    2,844.86/3,925.22 = 1,602.86/x
  3. Step 3: Cross multiply
    2,844.86x = 3,925.22 × 1,602.86
  4. Step 4: Simplify right side
    2,844.86x = 6,291,578.13
  5. Step 5: Solve for x
    x = 6,291,578.13/2,844.86
  6. Step 6: Final answer
    x = 2,211.56

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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.