Home / 2,476.25-3,415.94-1,679.30

Finding the Fourth Proportional to 2,476.25, 3,415.94 and 1,679.30

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Solution

The fourth proportional to 2,476.25, 3,415.94 and 1,679.30 is: 2,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.25 : 3,415.94 = 1,679.30 : x
  2. Step 2: Convert to fraction form
    2,476.25/3,415.94 = 1,679.30/x
  3. Step 3: Cross multiply
    2,476.25x = 3,415.94 × 1,679.30
  4. Step 4: Simplify right side
    2,476.25x = 5,736,388.04
  5. Step 5: Solve for x
    x = 5,736,388.04/2,476.25
  6. Step 6: Final answer
    x = 2,316.57

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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.