Home / 2,486.58-3,726.54-1,316.30

Finding the Fourth Proportional to 2,486.58, 3,726.54 and 1,316.30

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Solution

The fourth proportional to 2,486.58, 3,726.54 and 1,316.30 is: 1,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.58 : 3,726.54 = 1,316.30 : x
  2. Step 2: Convert to fraction form
    2,486.58/3,726.54 = 1,316.30/x
  3. Step 3: Cross multiply
    2,486.58x = 3,726.54 × 1,316.30
  4. Step 4: Simplify right side
    2,486.58x = 4,905,253.92
  5. Step 5: Solve for x
    x = 4,905,253.92/2,486.58
  6. Step 6: Final answer
    x = 1,972.69

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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.