Home / 2,845.42-3,927.56-1,666.87

Finding the Fourth Proportional to 2,845.42, 3,927.56 and 1,666.87

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Solution

The fourth proportional to 2,845.42, 3,927.56 and 1,666.87 is: 2,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.42 : 3,927.56 = 1,666.87 : x
  2. Step 2: Convert to fraction form
    2,845.42/3,927.56 = 1,666.87/x
  3. Step 3: Cross multiply
    2,845.42x = 3,927.56 × 1,666.87
  4. Step 4: Simplify right side
    2,845.42x = 6,546,713.78
  5. Step 5: Solve for x
    x = 6,546,713.78/2,845.42
  6. Step 6: Final answer
    x = 2,300.79

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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.