Home / 2,615.73-3,611.40-1,622.06

Finding the Fourth Proportional to 2,615.73, 3,611.40 and 1,622.06

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Solution

The fourth proportional to 2,615.73, 3,611.40 and 1,622.06 is: 2,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.73 : 3,611.40 = 1,622.06 : x
  2. Step 2: Convert to fraction form
    2,615.73/3,611.40 = 1,622.06/x
  3. Step 3: Cross multiply
    2,615.73x = 3,611.40 × 1,622.06
  4. Step 4: Simplify right side
    2,615.73x = 5,857,907.48
  5. Step 5: Solve for x
    x = 5,857,907.48/2,615.73
  6. Step 6: Final answer
    x = 2,239.49

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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.