Home / 2,688.96-4,035.20-1,150.08

Finding the Fourth Proportional to 2,688.96, 4,035.20 and 1,150.08

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Solution

The fourth proportional to 2,688.96, 4,035.20 and 1,150.08 is: 1,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.96 : 4,035.20 = 1,150.08 : x
  2. Step 2: Convert to fraction form
    2,688.96/4,035.20 = 1,150.08/x
  3. Step 3: Cross multiply
    2,688.96x = 4,035.20 × 1,150.08
  4. Step 4: Simplify right side
    2,688.96x = 4,640,802.82
  5. Step 5: Solve for x
    x = 4,640,802.82/2,688.96
  6. Step 6: Final answer
    x = 1,725.87

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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.