Home / 3,242.93-4,475.33-1,917.50

Finding the Fourth Proportional to 3,242.93, 4,475.33 and 1,917.50

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Solution

The fourth proportional to 3,242.93, 4,475.33 and 1,917.50 is: 2,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.93 : 4,475.33 = 1,917.50 : x
  2. Step 2: Convert to fraction form
    3,242.93/4,475.33 = 1,917.50/x
  3. Step 3: Cross multiply
    3,242.93x = 4,475.33 × 1,917.50
  4. Step 4: Simplify right side
    3,242.93x = 8,581,413.31
  5. Step 5: Solve for x
    x = 8,581,413.31/3,242.93
  6. Step 6: Final answer
    x = 2,646.20

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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.