Home / 1,469.24-2,192.10-1,399.58

Finding the Fourth Proportional to 1,469.24, 2,192.10 and 1,399.58

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Solution

The fourth proportional to 1,469.24, 2,192.10 and 1,399.58 is: 2,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.24 : 2,192.10 = 1,399.58 : x
  2. Step 2: Convert to fraction form
    1,469.24/2,192.10 = 1,399.58/x
  3. Step 3: Cross multiply
    1,469.24x = 2,192.10 × 1,399.58
  4. Step 4: Simplify right side
    1,469.24x = 3,068,008.36
  5. Step 5: Solve for x
    x = 3,068,008.36/1,469.24
  6. Step 6: Final answer
    x = 2,088.17

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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.