Home / 1,844.65-2,767.44-612.40

Finding the Fourth Proportional to 1,844.65, 2,767.44 and 612.40

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Solution

The fourth proportional to 1,844.65, 2,767.44 and 612.40 is: 918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.65 : 2,767.44 = 612.40 : x
  2. Step 2: Convert to fraction form
    1,844.65/2,767.44 = 612.40/x
  3. Step 3: Cross multiply
    1,844.65x = 2,767.44 × 612.40
  4. Step 4: Simplify right side
    1,844.65x = 1,694,777.19
  5. Step 5: Solve for x
    x = 1,694,777.19/1,844.65
  6. Step 6: Final answer
    x = 918.76

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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.