Home / 1,771.17-2,655.69-1,571.31

Finding the Fourth Proportional to 1,771.17, 2,655.69 and 1,571.31

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Solution

The fourth proportional to 1,771.17, 2,655.69 and 1,571.31 is: 2,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.17 : 2,655.69 = 1,571.31 : x
  2. Step 2: Convert to fraction form
    1,771.17/2,655.69 = 1,571.31/x
  3. Step 3: Cross multiply
    1,771.17x = 2,655.69 × 1,571.31
  4. Step 4: Simplify right side
    1,771.17x = 4,172,912.25
  5. Step 5: Solve for x
    x = 4,172,912.25/1,771.17
  6. Step 6: Final answer
    x = 2,356.02

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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.