Home / 2,407.22-3,321.92-1,345.00

Finding the Fourth Proportional to 2,407.22, 3,321.92 and 1,345.00

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Solution

The fourth proportional to 2,407.22, 3,321.92 and 1,345.00 is: 1,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.22 : 3,321.92 = 1,345.00 : x
  2. Step 2: Convert to fraction form
    2,407.22/3,321.92 = 1,345.00/x
  3. Step 3: Cross multiply
    2,407.22x = 3,321.92 × 1,345.00
  4. Step 4: Simplify right side
    2,407.22x = 4,467,993.18
  5. Step 5: Solve for x
    x = 4,467,993.18/2,407.22
  6. Step 6: Final answer
    x = 1,856.08

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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.