Home / 3,688.37-5,089.77-2,009.77

Finding the Fourth Proportional to 3,688.37, 5,089.77 and 2,009.77

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Solution

The fourth proportional to 3,688.37, 5,089.77 and 2,009.77 is: 2,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.37 : 5,089.77 = 2,009.77 : x
  2. Step 2: Convert to fraction form
    3,688.37/5,089.77 = 2,009.77/x
  3. Step 3: Cross multiply
    3,688.37x = 5,089.77 × 2,009.77
  4. Step 4: Simplify right side
    3,688.37x = 10,229,267.05
  5. Step 5: Solve for x
    x = 10,229,267.05/3,688.37
  6. Step 6: Final answer
    x = 2,773.38

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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.