Home / 1,571.28-2,167.64-1,334.24

Finding the Fourth Proportional to 1,571.28, 2,167.64 and 1,334.24

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Solution

The fourth proportional to 1,571.28, 2,167.64 and 1,334.24 is: 1,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.28 : 2,167.64 = 1,334.24 : x
  2. Step 2: Convert to fraction form
    1,571.28/2,167.64 = 1,334.24/x
  3. Step 3: Cross multiply
    1,571.28x = 2,167.64 × 1,334.24
  4. Step 4: Simplify right side
    1,571.28x = 2,892,151.99
  5. Step 5: Solve for x
    x = 2,892,151.99/1,571.28
  6. Step 6: Final answer
    x = 1,840.63

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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.