Home / 2,889.33-4,334.31-1,040.19

Finding the Fourth Proportional to 2,889.33, 4,334.31 and 1,040.19

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Solution

The fourth proportional to 2,889.33, 4,334.31 and 1,040.19 is: 1,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.33 : 4,334.31 = 1,040.19 : x
  2. Step 2: Convert to fraction form
    2,889.33/4,334.31 = 1,040.19/x
  3. Step 3: Cross multiply
    2,889.33x = 4,334.31 × 1,040.19
  4. Step 4: Simplify right side
    2,889.33x = 4,508,505.92
  5. Step 5: Solve for x
    x = 4,508,505.92/2,889.33
  6. Step 6: Final answer
    x = 1,560.40

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1.5x scale

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.