Home / 2,519.75-3,476.13-1,679.63

Finding the Fourth Proportional to 2,519.75, 3,476.13 and 1,679.63

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Solution

The fourth proportional to 2,519.75, 3,476.13 and 1,679.63 is: 2,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.75 : 3,476.13 = 1,679.63 : x
  2. Step 2: Convert to fraction form
    2,519.75/3,476.13 = 1,679.63/x
  3. Step 3: Cross multiply
    2,519.75x = 3,476.13 × 1,679.63
  4. Step 4: Simplify right side
    2,519.75x = 5,838,612.23
  5. Step 5: Solve for x
    x = 5,838,612.23/2,519.75
  6. Step 6: Final answer
    x = 2,317.14

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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.