Home / 2,023.76-2,792.84-1,238.24

Finding the Fourth Proportional to 2,023.76, 2,792.84 and 1,238.24

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Solution

The fourth proportional to 2,023.76, 2,792.84 and 1,238.24 is: 1,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.76 : 2,792.84 = 1,238.24 : x
  2. Step 2: Convert to fraction form
    2,023.76/2,792.84 = 1,238.24/x
  3. Step 3: Cross multiply
    2,023.76x = 2,792.84 × 1,238.24
  4. Step 4: Simplify right side
    2,023.76x = 3,458,206.20
  5. Step 5: Solve for x
    x = 3,458,206.20/2,023.76
  6. Step 6: Final answer
    x = 1,708.80

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1.5x scale

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.