Home / 2,620.20-3,615.62-1,501.14

Finding the Fourth Proportional to 2,620.20, 3,615.62 and 1,501.14

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Solution

The fourth proportional to 2,620.20, 3,615.62 and 1,501.14 is: 2,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.20 : 3,615.62 = 1,501.14 : x
  2. Step 2: Convert to fraction form
    2,620.20/3,615.62 = 1,501.14/x
  3. Step 3: Cross multiply
    2,620.20x = 3,615.62 × 1,501.14
  4. Step 4: Simplify right side
    2,620.20x = 5,427,551.81
  5. Step 5: Solve for x
    x = 5,427,551.81/2,620.20
  6. Step 6: Final answer
    x = 2,071.43

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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.