Home / 2,889.21-4,334.16-1,040.18

Finding the Fourth Proportional to 2,889.21, 4,334.16 and 1,040.18

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Solution

The fourth proportional to 2,889.21, 4,334.16 and 1,040.18 is: 1,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.21 : 4,334.16 = 1,040.18 : x
  2. Step 2: Convert to fraction form
    2,889.21/4,334.16 = 1,040.18/x
  3. Step 3: Cross multiply
    2,889.21x = 4,334.16 × 1,040.18
  4. Step 4: Simplify right side
    2,889.21x = 4,508,284.88
  5. Step 5: Solve for x
    x = 4,508,284.88/2,889.21
  6. Step 6: Final answer
    x = 1,560.39

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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.