Home / 2,890.13-4,334.79-1,040.97

Finding the Fourth Proportional to 2,890.13, 4,334.79 and 1,040.97

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Solution

The fourth proportional to 2,890.13, 4,334.79 and 1,040.97 is: 1,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.13 : 4,334.79 = 1,040.97 : x
  2. Step 2: Convert to fraction form
    2,890.13/4,334.79 = 1,040.97/x
  3. Step 3: Cross multiply
    2,890.13x = 4,334.79 × 1,040.97
  4. Step 4: Simplify right side
    2,890.13x = 4,512,386.35
  5. Step 5: Solve for x
    x = 4,512,386.35/2,890.13
  6. Step 6: Final answer
    x = 1,561.31

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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.