Home / 3,555.71-5,322.61-2,320.46

Finding the Fourth Proportional to 3,555.71, 5,322.61 and 2,320.46

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Solution

The fourth proportional to 3,555.71, 5,322.61 and 2,320.46 is: 3,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.71 : 5,322.61 = 2,320.46 : x
  2. Step 2: Convert to fraction form
    3,555.71/5,322.61 = 2,320.46/x
  3. Step 3: Cross multiply
    3,555.71x = 5,322.61 × 2,320.46
  4. Step 4: Simplify right side
    3,555.71x = 12,350,903.60
  5. Step 5: Solve for x
    x = 12,350,903.60/3,555.71
  6. Step 6: Final answer
    x = 3,473.54

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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.