Home / 2,926.94-4,392.14-1,079.35

Finding the Fourth Proportional to 2,926.94, 4,392.14 and 1,079.35

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Solution

The fourth proportional to 2,926.94, 4,392.14 and 1,079.35 is: 1,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.94 : 4,392.14 = 1,079.35 : x
  2. Step 2: Convert to fraction form
    2,926.94/4,392.14 = 1,079.35/x
  3. Step 3: Cross multiply
    2,926.94x = 4,392.14 × 1,079.35
  4. Step 4: Simplify right side
    2,926.94x = 4,740,639.93
  5. Step 5: Solve for x
    x = 4,740,639.93/2,926.94
  6. Step 6: Final answer
    x = 1,619.66

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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.