Home / 3,779.04-5,215.15-2,077.54

Finding the Fourth Proportional to 3,779.04, 5,215.15 and 2,077.54

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Solution

The fourth proportional to 3,779.04, 5,215.15 and 2,077.54 is: 2,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.04 : 5,215.15 = 2,077.54 : x
  2. Step 2: Convert to fraction form
    3,779.04/5,215.15 = 2,077.54/x
  3. Step 3: Cross multiply
    3,779.04x = 5,215.15 × 2,077.54
  4. Step 4: Simplify right side
    3,779.04x = 10,834,682.73
  5. Step 5: Solve for x
    x = 10,834,682.73/3,779.04
  6. Step 6: Final answer
    x = 2,867.05

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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.