Home / 2,927.13-4,039.50-1,808.83

Finding the Fourth Proportional to 2,927.13, 4,039.50 and 1,808.83

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Solution

The fourth proportional to 2,927.13, 4,039.50 and 1,808.83 is: 2,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.13 : 4,039.50 = 1,808.83 : x
  2. Step 2: Convert to fraction form
    2,927.13/4,039.50 = 1,808.83/x
  3. Step 3: Cross multiply
    2,927.13x = 4,039.50 × 1,808.83
  4. Step 4: Simplify right side
    2,927.13x = 7,306,768.79
  5. Step 5: Solve for x
    x = 7,306,768.79/2,927.13
  6. Step 6: Final answer
    x = 2,496.23

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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.