Home / 2,911.47-4,365.32-1,246.68

Finding the Fourth Proportional to 2,911.47, 4,365.32 and 1,246.68

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Solution

The fourth proportional to 2,911.47, 4,365.32 and 1,246.68 is: 1,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.47 : 4,365.32 = 1,246.68 : x
  2. Step 2: Convert to fraction form
    2,911.47/4,365.32 = 1,246.68/x
  3. Step 3: Cross multiply
    2,911.47x = 4,365.32 × 1,246.68
  4. Step 4: Simplify right side
    2,911.47x = 5,442,150.90
  5. Step 5: Solve for x
    x = 5,442,150.90/2,911.47
  6. Step 6: Final answer
    x = 1,869.21

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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.