Home / 2,026.03-3,039.47-639.77

Finding the Fourth Proportional to 2,026.03, 3,039.47 and 639.77

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Solution

The fourth proportional to 2,026.03, 3,039.47 and 639.77 is: 959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.03 : 3,039.47 = 639.77 : x
  2. Step 2: Convert to fraction form
    2,026.03/3,039.47 = 639.77/x
  3. Step 3: Cross multiply
    2,026.03x = 3,039.47 × 639.77
  4. Step 4: Simplify right side
    2,026.03x = 1,944,549.32
  5. Step 5: Solve for x
    x = 1,944,549.32/2,026.03
  6. Step 6: Final answer
    x = 959.78

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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.