Home / 3,779.04-5,211.90-2,434.86

Finding the Fourth Proportional to 3,779.04, 5,211.90 and 2,434.86

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Solution

The fourth proportional to 3,779.04, 5,211.90 and 2,434.86 is: 3,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.04 : 5,211.90 = 2,434.86 : x
  2. Step 2: Convert to fraction form
    3,779.04/5,211.90 = 2,434.86/x
  3. Step 3: Cross multiply
    3,779.04x = 5,211.90 × 2,434.86
  4. Step 4: Simplify right side
    3,779.04x = 12,690,246.83
  5. Step 5: Solve for x
    x = 12,690,246.83/3,779.04
  6. Step 6: Final answer
    x = 3,358.06

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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.