Home / 2,023.68-2,792.64-1,139.56

Finding the Fourth Proportional to 2,023.68, 2,792.64 and 1,139.56

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Solution

The fourth proportional to 2,023.68, 2,792.64 and 1,139.56 is: 1,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.68 : 2,792.64 = 1,139.56 : x
  2. Step 2: Convert to fraction form
    2,023.68/2,792.64 = 1,139.56/x
  3. Step 3: Cross multiply
    2,023.68x = 2,792.64 × 1,139.56
  4. Step 4: Simplify right side
    2,023.68x = 3,182,380.84
  5. Step 5: Solve for x
    x = 3,182,380.84/2,023.68
  6. Step 6: Final answer
    x = 1,572.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.