Home / 2,615.67-3,609.54-1,436.66

Finding the Fourth Proportional to 2,615.67, 3,609.54 and 1,436.66

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Solution

The fourth proportional to 2,615.67, 3,609.54 and 1,436.66 is: 1,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.67 : 3,609.54 = 1,436.66 : x
  2. Step 2: Convert to fraction form
    2,615.67/3,609.54 = 1,436.66/x
  3. Step 3: Cross multiply
    2,615.67x = 3,609.54 × 1,436.66
  4. Step 4: Simplify right side
    2,615.67x = 5,185,674.55
  5. Step 5: Solve for x
    x = 5,185,674.55/2,615.67
  6. Step 6: Final answer
    x = 1,982.55

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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.