Home / 3,146.24-4,338.16-2,615.74

Finding the Fourth Proportional to 3,146.24, 4,338.16 and 2,615.74

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Solution

The fourth proportional to 3,146.24, 4,338.16 and 2,615.74 is: 3,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.24 : 4,338.16 = 2,615.74 : x
  2. Step 2: Convert to fraction form
    3,146.24/4,338.16 = 2,615.74/x
  3. Step 3: Cross multiply
    3,146.24x = 4,338.16 × 2,615.74
  4. Step 4: Simplify right side
    3,146.24x = 11,347,505.66
  5. Step 5: Solve for x
    x = 11,347,505.66/3,146.24
  6. Step 6: Final answer
    x = 3,606.69

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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.