Home / 2,059.64-2,842.28-1,128.14

Finding the Fourth Proportional to 2,059.64, 2,842.28 and 1,128.14

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Solution

The fourth proportional to 2,059.64, 2,842.28 and 1,128.14 is: 1,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.64 : 2,842.28 = 1,128.14 : x
  2. Step 2: Convert to fraction form
    2,059.64/2,842.28 = 1,128.14/x
  3. Step 3: Cross multiply
    2,059.64x = 2,842.28 × 1,128.14
  4. Step 4: Simplify right side
    2,059.64x = 3,206,489.76
  5. Step 5: Solve for x
    x = 3,206,489.76/2,059.64
  6. Step 6: Final answer
    x = 1,556.82

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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.