Home / 2,026.77-3,040.61-621.31

Finding the Fourth Proportional to 2,026.77, 3,040.61 and 621.31

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Solution

The fourth proportional to 2,026.77, 3,040.61 and 621.31 is: 932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.77 : 3,040.61 = 621.31 : x
  2. Step 2: Convert to fraction form
    2,026.77/3,040.61 = 621.31/x
  3. Step 3: Cross multiply
    2,026.77x = 3,040.61 × 621.31
  4. Step 4: Simplify right side
    2,026.77x = 1,889,161.40
  5. Step 5: Solve for x
    x = 1,889,161.40/2,026.77
  6. Step 6: Final answer
    x = 932.10

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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.