Home / 2,009.24-3,013.17-622.40

Finding the Fourth Proportional to 2,009.24, 3,013.17 and 622.40

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Solution

The fourth proportional to 2,009.24, 3,013.17 and 622.40 is: 933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.24 : 3,013.17 = 622.40 : x
  2. Step 2: Convert to fraction form
    2,009.24/3,013.17 = 622.40/x
  3. Step 3: Cross multiply
    2,009.24x = 3,013.17 × 622.40
  4. Step 4: Simplify right side
    2,009.24x = 1,875,397.01
  5. Step 5: Solve for x
    x = 1,875,397.01/2,009.24
  6. Step 6: Final answer
    x = 933.39

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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.