Home / 2,515.18-3,467.75-2,089.73

Finding the Fourth Proportional to 2,515.18, 3,467.75 and 2,089.73

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Solution

The fourth proportional to 2,515.18, 3,467.75 and 2,089.73 is: 2,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.18 : 3,467.75 = 2,089.73 : x
  2. Step 2: Convert to fraction form
    2,515.18/3,467.75 = 2,089.73/x
  3. Step 3: Cross multiply
    2,515.18x = 3,467.75 × 2,089.73
  4. Step 4: Simplify right side
    2,515.18x = 7,246,661.21
  5. Step 5: Solve for x
    x = 7,246,661.21/2,515.18
  6. Step 6: Final answer
    x = 2,881.17

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1.5x scale

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.