Home / 2,927.56-4,040-1,601.22

Finding the Fourth Proportional to 2,927.56, 4,040 and 1,601.22

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Solution

The fourth proportional to 2,927.56, 4,040 and 1,601.22 is: 2,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.56 : 4,040 = 1,601.22 : x
  2. Step 2: Convert to fraction form
    2,927.56/4,040 = 1,601.22/x
  3. Step 3: Cross multiply
    2,927.56x = 4,040 × 1,601.22
  4. Step 4: Simplify right side
    2,927.56x = 6,468,928.80
  5. Step 5: Solve for x
    x = 6,468,928.80/2,927.56
  6. Step 6: Final answer
    x = 2,209.67

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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.