Home / 2,779.52-3,835.28-1,600.56

Finding the Fourth Proportional to 2,779.52, 3,835.28 and 1,600.56

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Solution

The fourth proportional to 2,779.52, 3,835.28 and 1,600.56 is: 2,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.52 : 3,835.28 = 1,600.56 : x
  2. Step 2: Convert to fraction form
    2,779.52/3,835.28 = 1,600.56/x
  3. Step 3: Cross multiply
    2,779.52x = 3,835.28 × 1,600.56
  4. Step 4: Simplify right side
    2,779.52x = 6,138,595.76
  5. Step 5: Solve for x
    x = 6,138,595.76/2,779.52
  6. Step 6: Final answer
    x = 2,208.51

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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.