Home / 3,159.10-4,358.85-2,413.90

Finding the Fourth Proportional to 3,159.10, 4,358.85 and 2,413.90

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Solution

The fourth proportional to 3,159.10, 4,358.85 and 2,413.90 is: 3,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.10 : 4,358.85 = 2,413.90 : x
  2. Step 2: Convert to fraction form
    3,159.10/4,358.85 = 2,413.90/x
  3. Step 3: Cross multiply
    3,159.10x = 4,358.85 × 2,413.90
  4. Step 4: Simplify right side
    3,159.10x = 10,521,828.02
  5. Step 5: Solve for x
    x = 10,521,828.02/3,159.10
  6. Step 6: Final answer
    x = 3,330.64

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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.