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Finding the Fourth Proportional to 2,610.68, 3,603.84 and 1,615.64

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Solution

The fourth proportional to 2,610.68, 3,603.84 and 1,615.64 is: 2,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.68 : 3,603.84 = 1,615.64 : x
  2. Step 2: Convert to fraction form
    2,610.68/3,603.84 = 1,615.64/x
  3. Step 3: Cross multiply
    2,610.68x = 3,603.84 × 1,615.64
  4. Step 4: Simplify right side
    2,610.68x = 5,822,508.06
  5. Step 5: Solve for x
    x = 5,822,508.06/2,610.68
  6. Step 6: Final answer
    x = 2,230.26

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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.