Home / 2,476.12-3,415.67-1,531.75

Finding the Fourth Proportional to 2,476.12, 3,415.67 and 1,531.75

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Solution

The fourth proportional to 2,476.12, 3,415.67 and 1,531.75 is: 2,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.12 : 3,415.67 = 1,531.75 : x
  2. Step 2: Convert to fraction form
    2,476.12/3,415.67 = 1,531.75/x
  3. Step 3: Cross multiply
    2,476.12x = 3,415.67 × 1,531.75
  4. Step 4: Simplify right side
    2,476.12x = 5,231,927.79
  5. Step 5: Solve for x
    x = 5,231,927.79/2,476.12
  6. Step 6: Final answer
    x = 2,112.96

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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.