Home / 3,103.14-4,281.90-1,776.60

Finding the Fourth Proportional to 3,103.14, 4,281.90 and 1,776.60

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Solution

The fourth proportional to 3,103.14, 4,281.90 and 1,776.60 is: 2,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.14 : 4,281.90 = 1,776.60 : x
  2. Step 2: Convert to fraction form
    3,103.14/4,281.90 = 1,776.60/x
  3. Step 3: Cross multiply
    3,103.14x = 4,281.90 × 1,776.60
  4. Step 4: Simplify right side
    3,103.14x = 7,607,223.54
  5. Step 5: Solve for x
    x = 7,607,223.54/3,103.14
  6. Step 6: Final answer
    x = 2,451.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.