Home / 2,288.25-3,429.14-1,117.40

Finding the Fourth Proportional to 2,288.25, 3,429.14 and 1,117.40

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Solution

The fourth proportional to 2,288.25, 3,429.14 and 1,117.40 is: 1,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.25 : 3,429.14 = 1,117.40 : x
  2. Step 2: Convert to fraction form
    2,288.25/3,429.14 = 1,117.40/x
  3. Step 3: Cross multiply
    2,288.25x = 3,429.14 × 1,117.40
  4. Step 4: Simplify right side
    2,288.25x = 3,831,698.30
  5. Step 5: Solve for x
    x = 3,831,698.30/2,288.25
  6. Step 6: Final answer
    x = 1,674.51

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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.