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Finding the Fourth Proportional to 2,998.92, 4,497.75 and 807.66

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Solution

The fourth proportional to 2,998.92, 4,497.75 and 807.66 is: 1,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.92 : 4,497.75 = 807.66 : x
  2. Step 2: Convert to fraction form
    2,998.92/4,497.75 = 807.66/x
  3. Step 3: Cross multiply
    2,998.92x = 4,497.75 × 807.66
  4. Step 4: Simplify right side
    2,998.92x = 3,632,652.77
  5. Step 5: Solve for x
    x = 3,632,652.77/2,998.92
  6. Step 6: Final answer
    x = 1,211.32

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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.