Home / 3,237.76-4,852.99-1,287.69

Finding the Fourth Proportional to 3,237.76, 4,852.99 and 1,287.69

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Solution

The fourth proportional to 3,237.76, 4,852.99 and 1,287.69 is: 1,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.76 : 4,852.99 = 1,287.69 : x
  2. Step 2: Convert to fraction form
    3,237.76/4,852.99 = 1,287.69/x
  3. Step 3: Cross multiply
    3,237.76x = 4,852.99 × 1,287.69
  4. Step 4: Simplify right side
    3,237.76x = 6,249,146.69
  5. Step 5: Solve for x
    x = 6,249,146.69/3,237.76
  6. Step 6: Final answer
    x = 1,930.08

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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.