Home / 3,264.66-4,889.38-1,615.90

Finding the Fourth Proportional to 3,264.66, 4,889.38 and 1,615.90

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Solution

The fourth proportional to 3,264.66, 4,889.38 and 1,615.90 is: 2,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.66 : 4,889.38 = 1,615.90 : x
  2. Step 2: Convert to fraction form
    3,264.66/4,889.38 = 1,615.90/x
  3. Step 3: Cross multiply
    3,264.66x = 4,889.38 × 1,615.90
  4. Step 4: Simplify right side
    3,264.66x = 7,900,749.14
  5. Step 5: Solve for x
    x = 7,900,749.14/3,264.66
  6. Step 6: Final answer
    x = 2,420.08

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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.