Home / 1,622.28-2,433.80-891.48

Finding the Fourth Proportional to 1,622.28, 2,433.80 and 891.48

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Solution

The fourth proportional to 1,622.28, 2,433.80 and 891.48 is: 1,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.28 : 2,433.80 = 891.48 : x
  2. Step 2: Convert to fraction form
    1,622.28/2,433.80 = 891.48/x
  3. Step 3: Cross multiply
    1,622.28x = 2,433.80 × 891.48
  4. Step 4: Simplify right side
    1,622.28x = 2,169,684.02
  5. Step 5: Solve for x
    x = 2,169,684.02/1,622.28
  6. Step 6: Final answer
    x = 1,337.43

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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.