Home / 3,129.67-4,698.20-1,282.26

Finding the Fourth Proportional to 3,129.67, 4,698.20 and 1,282.26

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Solution

The fourth proportional to 3,129.67, 4,698.20 and 1,282.26 is: 1,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.67 : 4,698.20 = 1,282.26 : x
  2. Step 2: Convert to fraction form
    3,129.67/4,698.20 = 1,282.26/x
  3. Step 3: Cross multiply
    3,129.67x = 4,698.20 × 1,282.26
  4. Step 4: Simplify right side
    3,129.67x = 6,024,334.76
  5. Step 5: Solve for x
    x = 6,024,334.76/3,129.67
  6. Step 6: Final answer
    x = 1,924.91

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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.