Home / 1,807.04-2,493.68-1,186

Finding the Fourth Proportional to 1,807.04, 2,493.68 and 1,186

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Solution

The fourth proportional to 1,807.04, 2,493.68 and 1,186 is: 1,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.04 : 2,493.68 = 1,186 : x
  2. Step 2: Convert to fraction form
    1,807.04/2,493.68 = 1,186/x
  3. Step 3: Cross multiply
    1,807.04x = 2,493.68 × 1,186
  4. Step 4: Simplify right side
    1,807.04x = 2,957,504.48
  5. Step 5: Solve for x
    x = 2,957,504.48/1,807.04
  6. Step 6: Final answer
    x = 1,636.66

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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.