Home / 2,403.54-3,316.92-1,355.82

Finding the Fourth Proportional to 2,403.54, 3,316.92 and 1,355.82

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Solution

The fourth proportional to 2,403.54, 3,316.92 and 1,355.82 is: 1,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.54 : 3,316.92 = 1,355.82 : x
  2. Step 2: Convert to fraction form
    2,403.54/3,316.92 = 1,355.82/x
  3. Step 3: Cross multiply
    2,403.54x = 3,316.92 × 1,355.82
  4. Step 4: Simplify right side
    2,403.54x = 4,497,146.47
  5. Step 5: Solve for x
    x = 4,497,146.47/2,403.54
  6. Step 6: Final answer
    x = 1,871.05

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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.