Home / 1,842.45-2,542.69-1,056.61

Finding the Fourth Proportional to 1,842.45, 2,542.69 and 1,056.61

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Solution

The fourth proportional to 1,842.45, 2,542.69 and 1,056.61 is: 1,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.45 : 2,542.69 = 1,056.61 : x
  2. Step 2: Convert to fraction form
    1,842.45/2,542.69 = 1,056.61/x
  3. Step 3: Cross multiply
    1,842.45x = 2,542.69 × 1,056.61
  4. Step 4: Simplify right side
    1,842.45x = 2,686,631.68
  5. Step 5: Solve for x
    x = 2,686,631.68/1,842.45
  6. Step 6: Final answer
    x = 1,458.19

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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.