Home / 2,103.60-3,151.80-1,486.11

Finding the Fourth Proportional to 2,103.60, 3,151.80 and 1,486.11

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Solution

The fourth proportional to 2,103.60, 3,151.80 and 1,486.11 is: 2,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.60 : 3,151.80 = 1,486.11 : x
  2. Step 2: Convert to fraction form
    2,103.60/3,151.80 = 1,486.11/x
  3. Step 3: Cross multiply
    2,103.60x = 3,151.80 × 1,486.11
  4. Step 4: Simplify right side
    2,103.60x = 4,683,921.50
  5. Step 5: Solve for x
    x = 4,683,921.50/2,103.60
  6. Step 6: Final answer
    x = 2,226.62

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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.