Home / 3,571.02-5,354.40-1,377.94

Finding the Fourth Proportional to 3,571.02, 5,354.40 and 1,377.94

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Solution

The fourth proportional to 3,571.02, 5,354.40 and 1,377.94 is: 2,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.02 : 5,354.40 = 1,377.94 : x
  2. Step 2: Convert to fraction form
    3,571.02/5,354.40 = 1,377.94/x
  3. Step 3: Cross multiply
    3,571.02x = 5,354.40 × 1,377.94
  4. Step 4: Simplify right side
    3,571.02x = 7,378,041.94
  5. Step 5: Solve for x
    x = 7,378,041.94/3,571.02
  6. Step 6: Final answer
    x = 2,066.09

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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.