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Finding the Fourth Proportional to 3,673.68, 5,509.86 and 2,295.56

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Solution

The fourth proportional to 3,673.68, 5,509.86 and 2,295.56 is: 3,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.68 : 5,509.86 = 2,295.56 : x
  2. Step 2: Convert to fraction form
    3,673.68/5,509.86 = 2,295.56/x
  3. Step 3: Cross multiply
    3,673.68x = 5,509.86 × 2,295.56
  4. Step 4: Simplify right side
    3,673.68x = 12,648,214.22
  5. Step 5: Solve for x
    x = 12,648,214.22/3,673.68
  6. Step 6: Final answer
    x = 3,442.93

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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.