Home / 3,571.06-4,927.76-2,154.98

Finding the Fourth Proportional to 3,571.06, 4,927.76 and 2,154.98

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Solution

The fourth proportional to 3,571.06, 4,927.76 and 2,154.98 is: 2,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.06 : 4,927.76 = 2,154.98 : x
  2. Step 2: Convert to fraction form
    3,571.06/4,927.76 = 2,154.98/x
  3. Step 3: Cross multiply
    3,571.06x = 4,927.76 × 2,154.98
  4. Step 4: Simplify right side
    3,571.06x = 10,619,224.24
  5. Step 5: Solve for x
    x = 10,619,224.24/3,571.06
  6. Step 6: Final answer
    x = 2,973.69

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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.