Home / 2,618.60-3,619.44-2,301.48

Finding the Fourth Proportional to 2,618.60, 3,619.44 and 2,301.48

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Solution

The fourth proportional to 2,618.60, 3,619.44 and 2,301.48 is: 3,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.60 : 3,619.44 = 2,301.48 : x
  2. Step 2: Convert to fraction form
    2,618.60/3,619.44 = 2,301.48/x
  3. Step 3: Cross multiply
    2,618.60x = 3,619.44 × 2,301.48
  4. Step 4: Simplify right side
    2,618.60x = 8,330,068.77
  5. Step 5: Solve for x
    x = 8,330,068.77/2,618.60
  6. Step 6: Final answer
    x = 3,181.12

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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.