Home / 3,779.24-5,669.88-1,314.20

Finding the Fourth Proportional to 3,779.24, 5,669.88 and 1,314.20

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Solution

The fourth proportional to 3,779.24, 5,669.88 and 1,314.20 is: 1,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.24 : 5,669.88 = 1,314.20 : x
  2. Step 2: Convert to fraction form
    3,779.24/5,669.88 = 1,314.20/x
  3. Step 3: Cross multiply
    3,779.24x = 5,669.88 × 1,314.20
  4. Step 4: Simplify right side
    3,779.24x = 7,451,327.95
  5. Step 5: Solve for x
    x = 7,451,327.95/3,779.24
  6. Step 6: Final answer
    x = 1,971.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.