Home / 3,608.15-5,411.21-1,528.07

Finding the Fourth Proportional to 3,608.15, 5,411.21 and 1,528.07

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Solution

The fourth proportional to 3,608.15, 5,411.21 and 1,528.07 is: 2,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.15 : 5,411.21 = 1,528.07 : x
  2. Step 2: Convert to fraction form
    3,608.15/5,411.21 = 1,528.07/x
  3. Step 3: Cross multiply
    3,608.15x = 5,411.21 × 1,528.07
  4. Step 4: Simplify right side
    3,608.15x = 8,268,672.97
  5. Step 5: Solve for x
    x = 8,268,672.97/3,608.15
  6. Step 6: Final answer
    x = 2,291.67

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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.