Home / 2,927.79-4,040.36-1,601.49

Finding the Fourth Proportional to 2,927.79, 4,040.36 and 1,601.49

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Solution

The fourth proportional to 2,927.79, 4,040.36 and 1,601.49 is: 2,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.79 : 4,040.36 = 1,601.49 : x
  2. Step 2: Convert to fraction form
    2,927.79/4,040.36 = 1,601.49/x
  3. Step 3: Cross multiply
    2,927.79x = 4,040.36 × 1,601.49
  4. Step 4: Simplify right side
    2,927.79x = 6,470,596.14
  5. Step 5: Solve for x
    x = 6,470,596.14/2,927.79
  6. Step 6: Final answer
    x = 2,210.06

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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.