Home / 1,402.27-2,103.26-622.28

Finding the Fourth Proportional to 1,402.27, 2,103.26 and 622.28

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Solution

The fourth proportional to 1,402.27, 2,103.26 and 622.28 is: 933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.27 : 2,103.26 = 622.28 : x
  2. Step 2: Convert to fraction form
    1,402.27/2,103.26 = 622.28/x
  3. Step 3: Cross multiply
    1,402.27x = 2,103.26 × 622.28
  4. Step 4: Simplify right side
    1,402.27x = 1,308,818.78
  5. Step 5: Solve for x
    x = 1,308,818.78/1,402.27
  6. Step 6: Final answer
    x = 933.36

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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.