Home / 2,571.04-3,548.01-1,392.09

Finding the Fourth Proportional to 2,571.04, 3,548.01 and 1,392.09

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Solution

The fourth proportional to 2,571.04, 3,548.01 and 1,392.09 is: 1,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.04 : 3,548.01 = 1,392.09 : x
  2. Step 2: Convert to fraction form
    2,571.04/3,548.01 = 1,392.09/x
  3. Step 3: Cross multiply
    2,571.04x = 3,548.01 × 1,392.09
  4. Step 4: Simplify right side
    2,571.04x = 4,939,149.24
  5. Step 5: Solve for x
    x = 4,939,149.24/2,571.04
  6. Step 6: Final answer
    x = 1,921.07

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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.