Home / 3,139.06-4,703.19-2,590.42

Finding the Fourth Proportional to 3,139.06, 4,703.19 and 2,590.42

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Solution

The fourth proportional to 3,139.06, 4,703.19 and 2,590.42 is: 3,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.06 : 4,703.19 = 2,590.42 : x
  2. Step 2: Convert to fraction form
    3,139.06/4,703.19 = 2,590.42/x
  3. Step 3: Cross multiply
    3,139.06x = 4,703.19 × 2,590.42
  4. Step 4: Simplify right side
    3,139.06x = 12,183,237.44
  5. Step 5: Solve for x
    x = 12,183,237.44/3,139.06
  6. Step 6: Final answer
    x = 3,881.17

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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.