Home / 2,405.88-3,319.20-1,461.32

Finding the Fourth Proportional to 2,405.88, 3,319.20 and 1,461.32

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Solution

The fourth proportional to 2,405.88, 3,319.20 and 1,461.32 is: 2,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.88 : 3,319.20 = 1,461.32 : x
  2. Step 2: Convert to fraction form
    2,405.88/3,319.20 = 1,461.32/x
  3. Step 3: Cross multiply
    2,405.88x = 3,319.20 × 1,461.32
  4. Step 4: Simplify right side
    2,405.88x = 4,850,413.34
  5. Step 5: Solve for x
    x = 4,850,413.34/2,405.88
  6. Step 6: Final answer
    x = 2,016.07

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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.