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Finding the Fourth Proportional to 2,611.05, 3,603.51 and 1,773.51

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Solution

The fourth proportional to 2,611.05, 3,603.51 and 1,773.51 is: 2,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.05 : 3,603.51 = 1,773.51 : x
  2. Step 2: Convert to fraction form
    2,611.05/3,603.51 = 1,773.51/x
  3. Step 3: Cross multiply
    2,611.05x = 3,603.51 × 1,773.51
  4. Step 4: Simplify right side
    2,611.05x = 6,390,861.02
  5. Step 5: Solve for x
    x = 6,390,861.02/2,611.05
  6. Step 6: Final answer
    x = 2,447.62

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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.