Home / 1,954.10-2,695.28-1,167.50

Finding the Fourth Proportional to 1,954.10, 2,695.28 and 1,167.50

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Solution

The fourth proportional to 1,954.10, 2,695.28 and 1,167.50 is: 1,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.10 : 2,695.28 = 1,167.50 : x
  2. Step 2: Convert to fraction form
    1,954.10/2,695.28 = 1,167.50/x
  3. Step 3: Cross multiply
    1,954.10x = 2,695.28 × 1,167.50
  4. Step 4: Simplify right side
    1,954.10x = 3,146,739.40
  5. Step 5: Solve for x
    x = 3,146,739.40/1,954.10
  6. Step 6: Final answer
    x = 1,610.33

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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.