Home / 3,039.12-4,192.76-1,859.76

Finding the Fourth Proportional to 3,039.12, 4,192.76 and 1,859.76

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Solution

The fourth proportional to 3,039.12, 4,192.76 and 1,859.76 is: 2,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.12 : 4,192.76 = 1,859.76 : x
  2. Step 2: Convert to fraction form
    3,039.12/4,192.76 = 1,859.76/x
  3. Step 3: Cross multiply
    3,039.12x = 4,192.76 × 1,859.76
  4. Step 4: Simplify right side
    3,039.12x = 7,797,527.34
  5. Step 5: Solve for x
    x = 7,797,527.34/3,039.12
  6. Step 6: Final answer
    x = 2,565.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.