Home / 2,666.02-3,999.10-1,571.17

Finding the Fourth Proportional to 2,666.02, 3,999.10 and 1,571.17

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Solution

The fourth proportional to 2,666.02, 3,999.10 and 1,571.17 is: 2,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.02 : 3,999.10 = 1,571.17 : x
  2. Step 2: Convert to fraction form
    2,666.02/3,999.10 = 1,571.17/x
  3. Step 3: Cross multiply
    2,666.02x = 3,999.10 × 1,571.17
  4. Step 4: Simplify right side
    2,666.02x = 6,283,265.95
  5. Step 5: Solve for x
    x = 6,283,265.95/2,666.02
  6. Step 6: Final answer
    x = 2,356.80

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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.