Home / 1,842.21-2,542.32-1,056.33

Finding the Fourth Proportional to 1,842.21, 2,542.32 and 1,056.33

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Solution

The fourth proportional to 1,842.21, 2,542.32 and 1,056.33 is: 1,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.21 : 2,542.32 = 1,056.33 : x
  2. Step 2: Convert to fraction form
    1,842.21/2,542.32 = 1,056.33/x
  3. Step 3: Cross multiply
    1,842.21x = 2,542.32 × 1,056.33
  4. Step 4: Simplify right side
    1,842.21x = 2,685,528.89
  5. Step 5: Solve for x
    x = 2,685,528.89/1,842.21
  6. Step 6: Final answer
    x = 1,457.78

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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.