Home / 2,779.70-3,835.98-1,600.74

Finding the Fourth Proportional to 2,779.70, 3,835.98 and 1,600.74

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Solution

The fourth proportional to 2,779.70, 3,835.98 and 1,600.74 is: 2,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.70 : 3,835.98 = 1,600.74 : x
  2. Step 2: Convert to fraction form
    2,779.70/3,835.98 = 1,600.74/x
  3. Step 3: Cross multiply
    2,779.70x = 3,835.98 × 1,600.74
  4. Step 4: Simplify right side
    2,779.70x = 6,140,406.63
  5. Step 5: Solve for x
    x = 6,140,406.63/2,779.70
  6. Step 6: Final answer
    x = 2,209.02

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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.