Home / 3,777.10-5,667.86-1,585.64

Finding the Fourth Proportional to 3,777.10, 5,667.86 and 1,585.64

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Solution

The fourth proportional to 3,777.10, 5,667.86 and 1,585.64 is: 2,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.10 : 5,667.86 = 1,585.64 : x
  2. Step 2: Convert to fraction form
    3,777.10/5,667.86 = 1,585.64/x
  3. Step 3: Cross multiply
    3,777.10x = 5,667.86 × 1,585.64
  4. Step 4: Simplify right side
    3,777.10x = 8,987,185.53
  5. Step 5: Solve for x
    x = 8,987,185.53/3,777.10
  6. Step 6: Final answer
    x = 2,379.39

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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.