Home / 3,106.92-4,654.17-1,870.59

Finding the Fourth Proportional to 3,106.92, 4,654.17 and 1,870.59

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Solution

The fourth proportional to 3,106.92, 4,654.17 and 1,870.59 is: 2,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.92 : 4,654.17 = 1,870.59 : x
  2. Step 2: Convert to fraction form
    3,106.92/4,654.17 = 1,870.59/x
  3. Step 3: Cross multiply
    3,106.92x = 4,654.17 × 1,870.59
  4. Step 4: Simplify right side
    3,106.92x = 8,706,043.86
  5. Step 5: Solve for x
    x = 8,706,043.86/3,106.92
  6. Step 6: Final answer
    x = 2,802.15

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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.