Home / 3,688.08-5,089.51-2,009.49

Finding the Fourth Proportional to 3,688.08, 5,089.51 and 2,009.49

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Solution

The fourth proportional to 3,688.08, 5,089.51 and 2,009.49 is: 2,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.08 : 5,089.51 = 2,009.49 : x
  2. Step 2: Convert to fraction form
    3,688.08/5,089.51 = 2,009.49/x
  3. Step 3: Cross multiply
    3,688.08x = 5,089.51 × 2,009.49
  4. Step 4: Simplify right side
    3,688.08x = 10,227,319.45
  5. Step 5: Solve for x
    x = 10,227,319.45/3,688.08
  6. Step 6: Final answer
    x = 2,773.07

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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.