Home / 3,615.06-5,418.93-1,422.93

Finding the Fourth Proportional to 3,615.06, 5,418.93 and 1,422.93

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Solution

The fourth proportional to 3,615.06, 5,418.93 and 1,422.93 is: 2,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.06 : 5,418.93 = 1,422.93 : x
  2. Step 2: Convert to fraction form
    3,615.06/5,418.93 = 1,422.93/x
  3. Step 3: Cross multiply
    3,615.06x = 5,418.93 × 1,422.93
  4. Step 4: Simplify right side
    3,615.06x = 7,710,758.06
  5. Step 5: Solve for x
    x = 7,710,758.06/3,615.06
  6. Step 6: Final answer
    x = 2,132.95

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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.