Home / 1,874-2,583.72-1,536.66

Finding the Fourth Proportional to 1,874, 2,583.72 and 1,536.66

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Solution

The fourth proportional to 1,874, 2,583.72 and 1,536.66 is: 2,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874 : 2,583.72 = 1,536.66 : x
  2. Step 2: Convert to fraction form
    1,874/2,583.72 = 1,536.66/x
  3. Step 3: Cross multiply
    1,874x = 2,583.72 × 1,536.66
  4. Step 4: Simplify right side
    1,874x = 3,970,293.41
  5. Step 5: Solve for x
    x = 3,970,293.41/1,874
  6. Step 6: Final answer
    x = 2,118.62

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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.