Home / 2,987.95-4,480.09-1,232.41

Finding the Fourth Proportional to 2,987.95, 4,480.09 and 1,232.41

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Solution

The fourth proportional to 2,987.95, 4,480.09 and 1,232.41 is: 1,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.95 : 4,480.09 = 1,232.41 : x
  2. Step 2: Convert to fraction form
    2,987.95/4,480.09 = 1,232.41/x
  3. Step 3: Cross multiply
    2,987.95x = 4,480.09 × 1,232.41
  4. Step 4: Simplify right side
    2,987.95x = 5,521,307.72
  5. Step 5: Solve for x
    x = 5,521,307.72/2,987.95
  6. Step 6: Final answer
    x = 1,847.86

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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.