Home / 2,059.96-2,842.68-1,128.46

Finding the Fourth Proportional to 2,059.96, 2,842.68 and 1,128.46

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Solution

The fourth proportional to 2,059.96, 2,842.68 and 1,128.46 is: 1,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.96 : 2,842.68 = 1,128.46 : x
  2. Step 2: Convert to fraction form
    2,059.96/2,842.68 = 1,128.46/x
  3. Step 3: Cross multiply
    2,059.96x = 2,842.68 × 1,128.46
  4. Step 4: Simplify right side
    2,059.96x = 3,207,850.67
  5. Step 5: Solve for x
    x = 3,207,850.67/2,059.96
  6. Step 6: Final answer
    x = 1,557.24

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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.