Home / 3,210.89-4,432.77-2,092.50

Finding the Fourth Proportional to 3,210.89, 4,432.77 and 2,092.50

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Solution

The fourth proportional to 3,210.89, 4,432.77 and 2,092.50 is: 2,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.89 : 4,432.77 = 2,092.50 : x
  2. Step 2: Convert to fraction form
    3,210.89/4,432.77 = 2,092.50/x
  3. Step 3: Cross multiply
    3,210.89x = 4,432.77 × 2,092.50
  4. Step 4: Simplify right side
    3,210.89x = 9,275,571.23
  5. Step 5: Solve for x
    x = 9,275,571.23/3,210.89
  6. Step 6: Final answer
    x = 2,888.79

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1.5x scale

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.