Home / 3,571.23-5,358.38-1,927.45

Finding the Fourth Proportional to 3,571.23, 5,358.38 and 1,927.45

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Solution

The fourth proportional to 3,571.23, 5,358.38 and 1,927.45 is: 2,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.23 : 5,358.38 = 1,927.45 : x
  2. Step 2: Convert to fraction form
    3,571.23/5,358.38 = 1,927.45/x
  3. Step 3: Cross multiply
    3,571.23x = 5,358.38 × 1,927.45
  4. Step 4: Simplify right side
    3,571.23x = 10,327,981.87
  5. Step 5: Solve for x
    x = 10,327,981.87/3,571.23
  6. Step 6: Final answer
    x = 2,892.00

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1.5x scale

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.