Home / 2,407.18-3,321.87-1,359.26

Finding the Fourth Proportional to 2,407.18, 3,321.87 and 1,359.26

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Solution

The fourth proportional to 2,407.18, 3,321.87 and 1,359.26 is: 1,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.18 : 3,321.87 = 1,359.26 : x
  2. Step 2: Convert to fraction form
    2,407.18/3,321.87 = 1,359.26/x
  3. Step 3: Cross multiply
    2,407.18x = 3,321.87 × 1,359.26
  4. Step 4: Simplify right side
    2,407.18x = 4,515,285.02
  5. Step 5: Solve for x
    x = 4,515,285.02/2,407.18
  6. Step 6: Final answer
    x = 1,875.76

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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.