Home / 2,615.21-3,924.39-1,134.18

Finding the Fourth Proportional to 2,615.21, 3,924.39 and 1,134.18

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Solution

The fourth proportional to 2,615.21, 3,924.39 and 1,134.18 is: 1,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.21 : 3,924.39 = 1,134.18 : x
  2. Step 2: Convert to fraction form
    2,615.21/3,924.39 = 1,134.18/x
  3. Step 3: Cross multiply
    2,615.21x = 3,924.39 × 1,134.18
  4. Step 4: Simplify right side
    2,615.21x = 4,450,950.65
  5. Step 5: Solve for x
    x = 4,450,950.65/2,615.21
  6. Step 6: Final answer
    x = 1,701.95

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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.