Home / 3,688.18-5,089.73-2,009.62

Finding the Fourth Proportional to 3,688.18, 5,089.73 and 2,009.62

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Solution

The fourth proportional to 3,688.18, 5,089.73 and 2,009.62 is: 2,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.18 : 5,089.73 = 2,009.62 : x
  2. Step 2: Convert to fraction form
    3,688.18/5,089.73 = 2,009.62/x
  3. Step 3: Cross multiply
    3,688.18x = 5,089.73 × 2,009.62
  4. Step 4: Simplify right side
    3,688.18x = 10,228,423.20
  5. Step 5: Solve for x
    x = 10,228,423.20/3,688.18
  6. Step 6: Final answer
    x = 2,773.30

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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.