Home / 1,794.60-2,691.90-1,386.18

Finding the Fourth Proportional to 1,794.60, 2,691.90 and 1,386.18

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Solution

The fourth proportional to 1,794.60, 2,691.90 and 1,386.18 is: 2,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.60 : 2,691.90 = 1,386.18 : x
  2. Step 2: Convert to fraction form
    1,794.60/2,691.90 = 1,386.18/x
  3. Step 3: Cross multiply
    1,794.60x = 2,691.90 × 1,386.18
  4. Step 4: Simplify right side
    1,794.60x = 3,731,457.94
  5. Step 5: Solve for x
    x = 3,731,457.94/1,794.60
  6. Step 6: Final answer
    x = 2,079.27

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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.