Home / 2,908.32-4,356.32-1,807.30

Finding the Fourth Proportional to 2,908.32, 4,356.32 and 1,807.30

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Solution

The fourth proportional to 2,908.32, 4,356.32 and 1,807.30 is: 2,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.32 : 4,356.32 = 1,807.30 : x
  2. Step 2: Convert to fraction form
    2,908.32/4,356.32 = 1,807.30/x
  3. Step 3: Cross multiply
    2,908.32x = 4,356.32 × 1,807.30
  4. Step 4: Simplify right side
    2,908.32x = 7,873,177.14
  5. Step 5: Solve for x
    x = 7,873,177.14/2,908.32
  6. Step 6: Final answer
    x = 2,707.12

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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.