Home / 2,134.86-2,944.62-1,885.20

Finding the Fourth Proportional to 2,134.86, 2,944.62 and 1,885.20

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Solution

The fourth proportional to 2,134.86, 2,944.62 and 1,885.20 is: 2,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.86 : 2,944.62 = 1,885.20 : x
  2. Step 2: Convert to fraction form
    2,134.86/2,944.62 = 1,885.20/x
  3. Step 3: Cross multiply
    2,134.86x = 2,944.62 × 1,885.20
  4. Step 4: Simplify right side
    2,134.86x = 5,551,197.62
  5. Step 5: Solve for x
    x = 5,551,197.62/2,134.86
  6. Step 6: Final answer
    x = 2,600.26

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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.