Home / 1,842.21-2,542.23-1,056.38

Finding the Fourth Proportional to 1,842.21, 2,542.23 and 1,056.38

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Solution

The fourth proportional to 1,842.21, 2,542.23 and 1,056.38 is: 1,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.21 : 2,542.23 = 1,056.38 : x
  2. Step 2: Convert to fraction form
    1,842.21/2,542.23 = 1,056.38/x
  3. Step 3: Cross multiply
    1,842.21x = 2,542.23 × 1,056.38
  4. Step 4: Simplify right side
    1,842.21x = 2,685,548.22
  5. Step 5: Solve for x
    x = 2,685,548.22/1,842.21
  6. Step 6: Final answer
    x = 1,457.79

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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.