Home / 3,079.18-4,610.56-1,615.26

Finding the Fourth Proportional to 3,079.18, 4,610.56 and 1,615.26

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Solution

The fourth proportional to 3,079.18, 4,610.56 and 1,615.26 is: 2,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.18 : 4,610.56 = 1,615.26 : x
  2. Step 2: Convert to fraction form
    3,079.18/4,610.56 = 1,615.26/x
  3. Step 3: Cross multiply
    3,079.18x = 4,610.56 × 1,615.26
  4. Step 4: Simplify right side
    3,079.18x = 7,447,253.15
  5. Step 5: Solve for x
    x = 7,447,253.15/3,079.18
  6. Step 6: Final answer
    x = 2,418.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.