Home / 1,807.45-2,715.27-1,192.35

Finding the Fourth Proportional to 1,807.45, 2,715.27 and 1,192.35

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Solution

The fourth proportional to 1,807.45, 2,715.27 and 1,192.35 is: 1,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.45 : 2,715.27 = 1,192.35 : x
  2. Step 2: Convert to fraction form
    1,807.45/2,715.27 = 1,192.35/x
  3. Step 3: Cross multiply
    1,807.45x = 2,715.27 × 1,192.35
  4. Step 4: Simplify right side
    1,807.45x = 3,237,552.18
  5. Step 5: Solve for x
    x = 3,237,552.18/1,807.45
  6. Step 6: Final answer
    x = 1,791.23

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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.