Home / 1,894.23-2,611.75-1,579.95

Finding the Fourth Proportional to 1,894.23, 2,611.75 and 1,579.95

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Solution

The fourth proportional to 1,894.23, 2,611.75 and 1,579.95 is: 2,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.23 : 2,611.75 = 1,579.95 : x
  2. Step 2: Convert to fraction form
    1,894.23/2,611.75 = 1,579.95/x
  3. Step 3: Cross multiply
    1,894.23x = 2,611.75 × 1,579.95
  4. Step 4: Simplify right side
    1,894.23x = 4,126,434.41
  5. Step 5: Solve for x
    x = 4,126,434.41/1,894.23
  6. Step 6: Final answer
    x = 2,178.42

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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.