Home / 3,239.86-4,474.68-2,190.10

Finding the Fourth Proportional to 3,239.86, 4,474.68 and 2,190.10

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Solution

The fourth proportional to 3,239.86, 4,474.68 and 2,190.10 is: 3,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.86 : 4,474.68 = 2,190.10 : x
  2. Step 2: Convert to fraction form
    3,239.86/4,474.68 = 2,190.10/x
  3. Step 3: Cross multiply
    3,239.86x = 4,474.68 × 2,190.10
  4. Step 4: Simplify right side
    3,239.86x = 9,799,996.67
  5. Step 5: Solve for x
    x = 9,799,996.67/3,239.86
  6. Step 6: Final answer
    x = 3,024.82

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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.