Home / 1,754.36-2,421.10-1,008.56

Finding the Fourth Proportional to 1,754.36, 2,421.10 and 1,008.56

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Solution

The fourth proportional to 1,754.36, 2,421.10 and 1,008.56 is: 1,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.36 : 2,421.10 = 1,008.56 : x
  2. Step 2: Convert to fraction form
    1,754.36/2,421.10 = 1,008.56/x
  3. Step 3: Cross multiply
    1,754.36x = 2,421.10 × 1,008.56
  4. Step 4: Simplify right side
    1,754.36x = 2,441,826.26
  5. Step 5: Solve for x
    x = 2,441,826.26/1,754.36
  6. Step 6: Final answer
    x = 1,391.86

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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.