Home / 3,106.14-4,660.02-1,790.70

Finding the Fourth Proportional to 3,106.14, 4,660.02 and 1,790.70

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Solution

The fourth proportional to 3,106.14, 4,660.02 and 1,790.70 is: 2,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.14 : 4,660.02 = 1,790.70 : x
  2. Step 2: Convert to fraction form
    3,106.14/4,660.02 = 1,790.70/x
  3. Step 3: Cross multiply
    3,106.14x = 4,660.02 × 1,790.70
  4. Step 4: Simplify right side
    3,106.14x = 8,344,697.81
  5. Step 5: Solve for x
    x = 8,344,697.81/3,106.14
  6. Step 6: Final answer
    x = 2,686.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.