Home / 3,571.02-4,928.00-2,154.51

Finding the Fourth Proportional to 3,571.02, 4,928.00 and 2,154.51

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Solution

The fourth proportional to 3,571.02, 4,928.00 and 2,154.51 is: 2,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.02 : 4,928.00 = 2,154.51 : x
  2. Step 2: Convert to fraction form
    3,571.02/4,928.00 = 2,154.51/x
  3. Step 3: Cross multiply
    3,571.02x = 4,928.00 × 2,154.51
  4. Step 4: Simplify right side
    3,571.02x = 10,617,414.51
  5. Step 5: Solve for x
    x = 10,617,414.51/3,571.02
  6. Step 6: Final answer
    x = 2,973.22

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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.