Home / 3,779.96-5,669.58-1,314.68

Finding the Fourth Proportional to 3,779.96, 5,669.58 and 1,314.68

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Solution

The fourth proportional to 3,779.96, 5,669.58 and 1,314.68 is: 1,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.96 : 5,669.58 = 1,314.68 : x
  2. Step 2: Convert to fraction form
    3,779.96/5,669.58 = 1,314.68/x
  3. Step 3: Cross multiply
    3,779.96x = 5,669.58 × 1,314.68
  4. Step 4: Simplify right side
    3,779.96x = 7,453,683.43
  5. Step 5: Solve for x
    x = 7,453,683.43/3,779.96
  6. Step 6: Final answer
    x = 1,971.89

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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.