Home / 2,486.63-3,726.86-1,253.36

Finding the Fourth Proportional to 2,486.63, 3,726.86 and 1,253.36

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Solution

The fourth proportional to 2,486.63, 3,726.86 and 1,253.36 is: 1,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.63 : 3,726.86 = 1,253.36 : x
  2. Step 2: Convert to fraction form
    2,486.63/3,726.86 = 1,253.36/x
  3. Step 3: Cross multiply
    2,486.63x = 3,726.86 × 1,253.36
  4. Step 4: Simplify right side
    2,486.63x = 4,671,100.30
  5. Step 5: Solve for x
    x = 4,671,100.30/2,486.63
  6. Step 6: Final answer
    x = 1,878.48

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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.