Home / 2,571.18-3,548.22-1,392.24

Finding the Fourth Proportional to 2,571.18, 3,548.22 and 1,392.24

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Solution

The fourth proportional to 2,571.18, 3,548.22 and 1,392.24 is: 1,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.18 : 3,548.22 = 1,392.24 : x
  2. Step 2: Convert to fraction form
    2,571.18/3,548.22 = 1,392.24/x
  3. Step 3: Cross multiply
    2,571.18x = 3,548.22 × 1,392.24
  4. Step 4: Simplify right side
    2,571.18x = 4,939,973.81
  5. Step 5: Solve for x
    x = 4,939,973.81/2,571.18
  6. Step 6: Final answer
    x = 1,921.29

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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.