Home / 2,930.29-4,043.08-1,811.27

Finding the Fourth Proportional to 2,930.29, 4,043.08 and 1,811.27

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Solution

The fourth proportional to 2,930.29, 4,043.08 and 1,811.27 is: 2,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.29 : 4,043.08 = 1,811.27 : x
  2. Step 2: Convert to fraction form
    2,930.29/4,043.08 = 1,811.27/x
  3. Step 3: Cross multiply
    2,930.29x = 4,043.08 × 1,811.27
  4. Step 4: Simplify right side
    2,930.29x = 7,323,109.51
  5. Step 5: Solve for x
    x = 7,323,109.51/2,930.29
  6. Step 6: Final answer
    x = 2,499.11

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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.