Home / 2,456.22-3,390.30-1,462.20

Finding the Fourth Proportional to 2,456.22, 3,390.30 and 1,462.20

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Solution

The fourth proportional to 2,456.22, 3,390.30 and 1,462.20 is: 2,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.22 : 3,390.30 = 1,462.20 : x
  2. Step 2: Convert to fraction form
    2,456.22/3,390.30 = 1,462.20/x
  3. Step 3: Cross multiply
    2,456.22x = 3,390.30 × 1,462.20
  4. Step 4: Simplify right side
    2,456.22x = 4,957,296.66
  5. Step 5: Solve for x
    x = 4,957,296.66/2,456.22
  6. Step 6: Final answer
    x = 2,018.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.