Home / 2,905.93-4,351.20-2,290.87

Finding the Fourth Proportional to 2,905.93, 4,351.20 and 2,290.87

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Solution

The fourth proportional to 2,905.93, 4,351.20 and 2,290.87 is: 3,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.93 : 4,351.20 = 2,290.87 : x
  2. Step 2: Convert to fraction form
    2,905.93/4,351.20 = 2,290.87/x
  3. Step 3: Cross multiply
    2,905.93x = 4,351.20 × 2,290.87
  4. Step 4: Simplify right side
    2,905.93x = 9,968,033.54
  5. Step 5: Solve for x
    x = 9,968,033.54/2,905.93
  6. Step 6: Final answer
    x = 3,430.24

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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.