Home / 2,779.52-3,833.93-1,659.69

Finding the Fourth Proportional to 2,779.52, 3,833.93 and 1,659.69

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Solution

The fourth proportional to 2,779.52, 3,833.93 and 1,659.69 is: 2,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.52 : 3,833.93 = 1,659.69 : x
  2. Step 2: Convert to fraction form
    2,779.52/3,833.93 = 1,659.69/x
  3. Step 3: Cross multiply
    2,779.52x = 3,833.93 × 1,659.69
  4. Step 4: Simplify right side
    2,779.52x = 6,363,139.43
  5. Step 5: Solve for x
    x = 6,363,139.43/2,779.52
  6. Step 6: Final answer
    x = 2,289.30

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1.5x scale

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.