Home / 3,688.00-5,089.77-2,272.05

Finding the Fourth Proportional to 3,688.00, 5,089.77 and 2,272.05

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Solution

The fourth proportional to 3,688.00, 5,089.77 and 2,272.05 is: 3,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.00 : 5,089.77 = 2,272.05 : x
  2. Step 2: Convert to fraction form
    3,688.00/5,089.77 = 2,272.05/x
  3. Step 3: Cross multiply
    3,688.00x = 5,089.77 × 2,272.05
  4. Step 4: Simplify right side
    3,688.00x = 11,564,211.93
  5. Step 5: Solve for x
    x = 11,564,211.93/3,688.00
  6. Step 6: Final answer
    x = 3,135.63

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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.