Home / 1,576.13-2,171.43-1,244.43

Finding the Fourth Proportional to 1,576.13, 2,171.43 and 1,244.43

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Solution

The fourth proportional to 1,576.13, 2,171.43 and 1,244.43 is: 1,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.13 : 2,171.43 = 1,244.43 : x
  2. Step 2: Convert to fraction form
    1,576.13/2,171.43 = 1,244.43/x
  3. Step 3: Cross multiply
    1,576.13x = 2,171.43 × 1,244.43
  4. Step 4: Simplify right side
    1,576.13x = 2,702,192.63
  5. Step 5: Solve for x
    x = 2,702,192.63/1,576.13
  6. Step 6: Final answer
    x = 1,714.45

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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.