Home / 2,281.52-3,420.30-1,413.92

Finding the Fourth Proportional to 2,281.52, 3,420.30 and 1,413.92

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Solution

The fourth proportional to 2,281.52, 3,420.30 and 1,413.92 is: 2,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.52 : 3,420.30 = 1,413.92 : x
  2. Step 2: Convert to fraction form
    2,281.52/3,420.30 = 1,413.92/x
  3. Step 3: Cross multiply
    2,281.52x = 3,420.30 × 1,413.92
  4. Step 4: Simplify right side
    2,281.52x = 4,836,030.58
  5. Step 5: Solve for x
    x = 4,836,030.58/2,281.52
  6. Step 6: Final answer
    x = 2,119.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.