Home / 2,148.19-3,218.95-1,036.41

Finding the Fourth Proportional to 2,148.19, 3,218.95 and 1,036.41

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Solution

The fourth proportional to 2,148.19, 3,218.95 and 1,036.41 is: 1,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.19 : 3,218.95 = 1,036.41 : x
  2. Step 2: Convert to fraction form
    2,148.19/3,218.95 = 1,036.41/x
  3. Step 3: Cross multiply
    2,148.19x = 3,218.95 × 1,036.41
  4. Step 4: Simplify right side
    2,148.19x = 3,336,151.97
  5. Step 5: Solve for x
    x = 3,336,151.97/2,148.19
  6. Step 6: Final answer
    x = 1,553.01

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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.