Home / 1,828.08-2,520.87-1,296.72

Finding the Fourth Proportional to 1,828.08, 2,520.87 and 1,296.72

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Solution

The fourth proportional to 1,828.08, 2,520.87 and 1,296.72 is: 1,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.08 : 2,520.87 = 1,296.72 : x
  2. Step 2: Convert to fraction form
    1,828.08/2,520.87 = 1,296.72/x
  3. Step 3: Cross multiply
    1,828.08x = 2,520.87 × 1,296.72
  4. Step 4: Simplify right side
    1,828.08x = 3,268,862.55
  5. Step 5: Solve for x
    x = 3,268,862.55/1,828.08
  6. Step 6: Final answer
    x = 1,788.14

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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.