Home / 2,171.36-2,995.26-1,384.04

Finding the Fourth Proportional to 2,171.36, 2,995.26 and 1,384.04

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Solution

The fourth proportional to 2,171.36, 2,995.26 and 1,384.04 is: 1,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.36 : 2,995.26 = 1,384.04 : x
  2. Step 2: Convert to fraction form
    2,171.36/2,995.26 = 1,384.04/x
  3. Step 3: Cross multiply
    2,171.36x = 2,995.26 × 1,384.04
  4. Step 4: Simplify right side
    2,171.36x = 4,145,559.65
  5. Step 5: Solve for x
    x = 4,145,559.65/2,171.36
  6. Step 6: Final answer
    x = 1,909.20

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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.