Home / 2,927.11-4,389.15-1,077.58

Finding the Fourth Proportional to 2,927.11, 4,389.15 and 1,077.58

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Solution

The fourth proportional to 2,927.11, 4,389.15 and 1,077.58 is: 1,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.11 : 4,389.15 = 1,077.58 : x
  2. Step 2: Convert to fraction form
    2,927.11/4,389.15 = 1,077.58/x
  3. Step 3: Cross multiply
    2,927.11x = 4,389.15 × 1,077.58
  4. Step 4: Simplify right side
    2,927.11x = 4,729,660.26
  5. Step 5: Solve for x
    x = 4,729,660.26/2,927.11
  6. Step 6: Final answer
    x = 1,615.81

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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.