Home / 3,263.91-4,889.37-1,615.42

Finding the Fourth Proportional to 3,263.91, 4,889.37 and 1,615.42

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Solution

The fourth proportional to 3,263.91, 4,889.37 and 1,615.42 is: 2,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.91 : 4,889.37 = 1,615.42 : x
  2. Step 2: Convert to fraction form
    3,263.91/4,889.37 = 1,615.42/x
  3. Step 3: Cross multiply
    3,263.91x = 4,889.37 × 1,615.42
  4. Step 4: Simplify right side
    3,263.91x = 7,898,398.25
  5. Step 5: Solve for x
    x = 7,898,398.25/3,263.91
  6. Step 6: Final answer
    x = 2,419.92

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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.