Home / 2,915.58-4,016.67-2,029.86

Finding the Fourth Proportional to 2,915.58, 4,016.67 and 2,029.86

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Solution

The fourth proportional to 2,915.58, 4,016.67 and 2,029.86 is: 2,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.58 : 4,016.67 = 2,029.86 : x
  2. Step 2: Convert to fraction form
    2,915.58/4,016.67 = 2,029.86/x
  3. Step 3: Cross multiply
    2,915.58x = 4,016.67 × 2,029.86
  4. Step 4: Simplify right side
    2,915.58x = 8,153,277.77
  5. Step 5: Solve for x
    x = 8,153,277.77/2,915.58
  6. Step 6: Final answer
    x = 2,796.45

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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.