Home / 2,291.16-3,159.72-1,619.44

Finding the Fourth Proportional to 2,291.16, 3,159.72 and 1,619.44

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Solution

The fourth proportional to 2,291.16, 3,159.72 and 1,619.44 is: 2,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.16 : 3,159.72 = 1,619.44 : x
  2. Step 2: Convert to fraction form
    2,291.16/3,159.72 = 1,619.44/x
  3. Step 3: Cross multiply
    2,291.16x = 3,159.72 × 1,619.44
  4. Step 4: Simplify right side
    2,291.16x = 5,116,976.96
  5. Step 5: Solve for x
    x = 5,116,976.96/2,291.16
  6. Step 6: Final answer
    x = 2,233.36

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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.