Home / 3,564.90-5,350.65-1,811.13

Finding the Fourth Proportional to 3,564.90, 5,350.65 and 1,811.13

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Solution

The fourth proportional to 3,564.90, 5,350.65 and 1,811.13 is: 2,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.90 : 5,350.65 = 1,811.13 : x
  2. Step 2: Convert to fraction form
    3,564.90/5,350.65 = 1,811.13/x
  3. Step 3: Cross multiply
    3,564.90x = 5,350.65 × 1,811.13
  4. Step 4: Simplify right side
    3,564.90x = 9,690,722.73
  5. Step 5: Solve for x
    x = 9,690,722.73/3,564.90
  6. Step 6: Final answer
    x = 2,718.37

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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.