Home / 1,836.49-2,536.41-1,246

Finding the Fourth Proportional to 1,836.49, 2,536.41 and 1,246

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Solution

The fourth proportional to 1,836.49, 2,536.41 and 1,246 is: 1,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.49 : 2,536.41 = 1,246 : x
  2. Step 2: Convert to fraction form
    1,836.49/2,536.41 = 1,246/x
  3. Step 3: Cross multiply
    1,836.49x = 2,536.41 × 1,246
  4. Step 4: Simplify right side
    1,836.49x = 3,160,366.86
  5. Step 5: Solve for x
    x = 3,160,366.86/1,836.49
  6. Step 6: Final answer
    x = 1,720.87

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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.