Home / 1,445.28-2,163.06-895.56

Finding the Fourth Proportional to 1,445.28, 2,163.06 and 895.56

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Solution

The fourth proportional to 1,445.28, 2,163.06 and 895.56 is: 1,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.28 : 2,163.06 = 895.56 : x
  2. Step 2: Convert to fraction form
    1,445.28/2,163.06 = 895.56/x
  3. Step 3: Cross multiply
    1,445.28x = 2,163.06 × 895.56
  4. Step 4: Simplify right side
    1,445.28x = 1,937,150.01
  5. Step 5: Solve for x
    x = 1,937,150.01/1,445.28
  6. Step 6: Final answer
    x = 1,340.33

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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.