Home / 2,567.68-3,860.06-2,108.86

Finding the Fourth Proportional to 2,567.68, 3,860.06 and 2,108.86

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Solution

The fourth proportional to 2,567.68, 3,860.06 and 2,108.86 is: 3,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.68 : 3,860.06 = 2,108.86 : x
  2. Step 2: Convert to fraction form
    2,567.68/3,860.06 = 2,108.86/x
  3. Step 3: Cross multiply
    2,567.68x = 3,860.06 × 2,108.86
  4. Step 4: Simplify right side
    2,567.68x = 8,140,326.13
  5. Step 5: Solve for x
    x = 8,140,326.13/2,567.68
  6. Step 6: Final answer
    x = 3,170.30

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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.