Home / 2,675.66-4,014.27-1,215.98

Finding the Fourth Proportional to 2,675.66, 4,014.27 and 1,215.98

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Solution

The fourth proportional to 2,675.66, 4,014.27 and 1,215.98 is: 1,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.66 : 4,014.27 = 1,215.98 : x
  2. Step 2: Convert to fraction form
    2,675.66/4,014.27 = 1,215.98/x
  3. Step 3: Cross multiply
    2,675.66x = 4,014.27 × 1,215.98
  4. Step 4: Simplify right side
    2,675.66x = 4,881,272.03
  5. Step 5: Solve for x
    x = 4,881,272.03/2,675.66
  6. Step 6: Final answer
    x = 1,824.32

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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.