Home / 3,779.15-5,211.74-2,362.39

Finding the Fourth Proportional to 3,779.15, 5,211.74 and 2,362.39

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Solution

The fourth proportional to 3,779.15, 5,211.74 and 2,362.39 is: 3,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.15 : 5,211.74 = 2,362.39 : x
  2. Step 2: Convert to fraction form
    3,779.15/5,211.74 = 2,362.39/x
  3. Step 3: Cross multiply
    3,779.15x = 5,211.74 × 2,362.39
  4. Step 4: Simplify right side
    3,779.15x = 12,312,136.40
  5. Step 5: Solve for x
    x = 12,312,136.40/3,779.15
  6. Step 6: Final answer
    x = 3,257.91

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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.