Home / 2,224.44-3,070.31-1,384.65

Finding the Fourth Proportional to 2,224.44, 3,070.31 and 1,384.65

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Solution

The fourth proportional to 2,224.44, 3,070.31 and 1,384.65 is: 1,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.44 : 3,070.31 = 1,384.65 : x
  2. Step 2: Convert to fraction form
    2,224.44/3,070.31 = 1,384.65/x
  3. Step 3: Cross multiply
    2,224.44x = 3,070.31 × 1,384.65
  4. Step 4: Simplify right side
    2,224.44x = 4,251,297.82
  5. Step 5: Solve for x
    x = 4,251,297.82/2,224.44
  6. Step 6: Final answer
    x = 1,911.18

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1.5x scale

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.