Home / 2,779.08-3,819.40-2,701.32

Finding the Fourth Proportional to 2,779.08, 3,819.40 and 2,701.32

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Solution

The fourth proportional to 2,779.08, 3,819.40 and 2,701.32 is: 3,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.08 : 3,819.40 = 2,701.32 : x
  2. Step 2: Convert to fraction form
    2,779.08/3,819.40 = 2,701.32/x
  3. Step 3: Cross multiply
    2,779.08x = 3,819.40 × 2,701.32
  4. Step 4: Simplify right side
    2,779.08x = 10,317,421.61
  5. Step 5: Solve for x
    x = 10,317,421.61/2,779.08
  6. Step 6: Final answer
    x = 3,712.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.