Home / 2,610.51-3,603.20-1,615.23

Finding the Fourth Proportional to 2,610.51, 3,603.20 and 1,615.23

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Solution

The fourth proportional to 2,610.51, 3,603.20 and 1,615.23 is: 2,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.51 : 3,603.20 = 1,615.23 : x
  2. Step 2: Convert to fraction form
    2,610.51/3,603.20 = 1,615.23/x
  3. Step 3: Cross multiply
    2,610.51x = 3,603.20 × 1,615.23
  4. Step 4: Simplify right side
    2,610.51x = 5,819,988.66
  5. Step 5: Solve for x
    x = 5,819,988.66/2,610.51
  6. Step 6: Final answer
    x = 2,229.45

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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.