Home / 2,845.95-3,927.11-1,666.79

Finding the Fourth Proportional to 2,845.95, 3,927.11 and 1,666.79

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Solution

The fourth proportional to 2,845.95, 3,927.11 and 1,666.79 is: 2,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.95 : 3,927.11 = 1,666.79 : x
  2. Step 2: Convert to fraction form
    2,845.95/3,927.11 = 1,666.79/x
  3. Step 3: Cross multiply
    2,845.95x = 3,927.11 × 1,666.79
  4. Step 4: Simplify right side
    2,845.95x = 6,545,667.68
  5. Step 5: Solve for x
    x = 6,545,667.68/2,845.95
  6. Step 6: Final answer
    x = 2,299.99

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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.