Home / 2,621.48-3,932.18-1,648.26

Finding the Fourth Proportional to 2,621.48, 3,932.18 and 1,648.26

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Solution

The fourth proportional to 2,621.48, 3,932.18 and 1,648.26 is: 2,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.48 : 3,932.18 = 1,648.26 : x
  2. Step 2: Convert to fraction form
    2,621.48/3,932.18 = 1,648.26/x
  3. Step 3: Cross multiply
    2,621.48x = 3,932.18 × 1,648.26
  4. Step 4: Simplify right side
    2,621.48x = 6,481,255.01
  5. Step 5: Solve for x
    x = 6,481,255.01/2,621.48
  6. Step 6: Final answer
    x = 2,472.36

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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.