Home / 2,750.43-4,121.91-1,515.99

Finding the Fourth Proportional to 2,750.43, 4,121.91 and 1,515.99

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Solution

The fourth proportional to 2,750.43, 4,121.91 and 1,515.99 is: 2,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.43 : 4,121.91 = 1,515.99 : x
  2. Step 2: Convert to fraction form
    2,750.43/4,121.91 = 1,515.99/x
  3. Step 3: Cross multiply
    2,750.43x = 4,121.91 × 1,515.99
  4. Step 4: Simplify right side
    2,750.43x = 6,248,774.34
  5. Step 5: Solve for x
    x = 6,248,774.34/2,750.43
  6. Step 6: Final answer
    x = 2,271.93

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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.