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Finding the Fourth Proportional to 3,651.55, 5,041.54 and 2,810.77

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Solution

The fourth proportional to 3,651.55, 5,041.54 and 2,810.77 is: 3,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.55 : 5,041.54 = 2,810.77 : x
  2. Step 2: Convert to fraction form
    3,651.55/5,041.54 = 2,810.77/x
  3. Step 3: Cross multiply
    3,651.55x = 5,041.54 × 2,810.77
  4. Step 4: Simplify right side
    3,651.55x = 14,170,600.30
  5. Step 5: Solve for x
    x = 14,170,600.30/3,651.55
  6. Step 6: Final answer
    x = 3,880.71

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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.