Home / 1,842.09-2,542.37-1,056.39

Finding the Fourth Proportional to 1,842.09, 2,542.37 and 1,056.39

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Solution

The fourth proportional to 1,842.09, 2,542.37 and 1,056.39 is: 1,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.09 : 2,542.37 = 1,056.39 : x
  2. Step 2: Convert to fraction form
    1,842.09/2,542.37 = 1,056.39/x
  3. Step 3: Cross multiply
    1,842.09x = 2,542.37 × 1,056.39
  4. Step 4: Simplify right side
    1,842.09x = 2,685,728.96
  5. Step 5: Solve for x
    x = 2,685,728.96/1,842.09
  6. Step 6: Final answer
    x = 1,457.98

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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.