Home / 3,571.04-5,356.56-1,721.81

Finding the Fourth Proportional to 3,571.04, 5,356.56 and 1,721.81

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Solution

The fourth proportional to 3,571.04, 5,356.56 and 1,721.81 is: 2,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.04 : 5,356.56 = 1,721.81 : x
  2. Step 2: Convert to fraction form
    3,571.04/5,356.56 = 1,721.81/x
  3. Step 3: Cross multiply
    3,571.04x = 5,356.56 × 1,721.81
  4. Step 4: Simplify right side
    3,571.04x = 9,222,953.76
  5. Step 5: Solve for x
    x = 9,222,953.76/3,571.04
  6. Step 6: Final answer
    x = 2,582.71

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Similar ratio
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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.