Home / 2,610.11-3,602.03-1,431.26

Finding the Fourth Proportional to 2,610.11, 3,602.03 and 1,431.26

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Solution

The fourth proportional to 2,610.11, 3,602.03 and 1,431.26 is: 1,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.11 : 3,602.03 = 1,431.26 : x
  2. Step 2: Convert to fraction form
    2,610.11/3,602.03 = 1,431.26/x
  3. Step 3: Cross multiply
    2,610.11x = 3,602.03 × 1,431.26
  4. Step 4: Simplify right side
    2,610.11x = 5,155,441.46
  5. Step 5: Solve for x
    x = 5,155,441.46/2,610.11
  6. Step 6: Final answer
    x = 1,975.18

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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.