Home / 2,928.32-4,040.96-1,601.99

Finding the Fourth Proportional to 2,928.32, 4,040.96 and 1,601.99

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Solution

The fourth proportional to 2,928.32, 4,040.96 and 1,601.99 is: 2,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.32 : 4,040.96 = 1,601.99 : x
  2. Step 2: Convert to fraction form
    2,928.32/4,040.96 = 1,601.99/x
  3. Step 3: Cross multiply
    2,928.32x = 4,040.96 × 1,601.99
  4. Step 4: Simplify right side
    2,928.32x = 6,473,577.51
  5. Step 5: Solve for x
    x = 6,473,577.51/2,928.32
  6. Step 6: Final answer
    x = 2,210.68

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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.