Home / 2,874.49-4,317.20-1,786.46

Finding the Fourth Proportional to 2,874.49, 4,317.20 and 1,786.46

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Solution

The fourth proportional to 2,874.49, 4,317.20 and 1,786.46 is: 2,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.49 : 4,317.20 = 1,786.46 : x
  2. Step 2: Convert to fraction form
    2,874.49/4,317.20 = 1,786.46/x
  3. Step 3: Cross multiply
    2,874.49x = 4,317.20 × 1,786.46
  4. Step 4: Simplify right side
    2,874.49x = 7,712,474.59
  5. Step 5: Solve for x
    x = 7,712,474.59/2,874.49
  6. Step 6: Final answer
    x = 2,683.08

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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.