Home / 1,823.52-2,511.36-1,729.68

Finding the Fourth Proportional to 1,823.52, 2,511.36 and 1,729.68

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Solution

The fourth proportional to 1,823.52, 2,511.36 and 1,729.68 is: 2,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.52 : 2,511.36 = 1,729.68 : x
  2. Step 2: Convert to fraction form
    1,823.52/2,511.36 = 1,729.68/x
  3. Step 3: Cross multiply
    1,823.52x = 2,511.36 × 1,729.68
  4. Step 4: Simplify right side
    1,823.52x = 4,343,849.16
  5. Step 5: Solve for x
    x = 4,343,849.16/1,823.52
  6. Step 6: Final answer
    x = 2,382.12

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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.