Home / 1,826.55-2,739.95-577.29

Finding the Fourth Proportional to 1,826.55, 2,739.95 and 577.29

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Solution

The fourth proportional to 1,826.55, 2,739.95 and 577.29 is: 865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.55 : 2,739.95 = 577.29 : x
  2. Step 2: Convert to fraction form
    1,826.55/2,739.95 = 577.29/x
  3. Step 3: Cross multiply
    1,826.55x = 2,739.95 × 577.29
  4. Step 4: Simplify right side
    1,826.55x = 1,581,742.85
  5. Step 5: Solve for x
    x = 1,581,742.85/1,826.55
  6. Step 6: Final answer
    x = 865.97

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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.