Home / 1,384.08-2,067.30-1,252.11

Finding the Fourth Proportional to 1,384.08, 2,067.30 and 1,252.11

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Solution

The fourth proportional to 1,384.08, 2,067.30 and 1,252.11 is: 1,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.08 : 2,067.30 = 1,252.11 : x
  2. Step 2: Convert to fraction form
    1,384.08/2,067.30 = 1,252.11/x
  3. Step 3: Cross multiply
    1,384.08x = 2,067.30 × 1,252.11
  4. Step 4: Simplify right side
    1,384.08x = 2,588,486.65
  5. Step 5: Solve for x
    x = 2,588,486.65/1,384.08
  6. Step 6: Final answer
    x = 1,870.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.