Home / 2,486.41-3,726.51-1,316.68

Finding the Fourth Proportional to 2,486.41, 3,726.51 and 1,316.68

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Solution

The fourth proportional to 2,486.41, 3,726.51 and 1,316.68 is: 1,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.41 : 3,726.51 = 1,316.68 : x
  2. Step 2: Convert to fraction form
    2,486.41/3,726.51 = 1,316.68/x
  3. Step 3: Cross multiply
    2,486.41x = 3,726.51 × 1,316.68
  4. Step 4: Simplify right side
    2,486.41x = 4,906,621.19
  5. Step 5: Solve for x
    x = 4,906,621.19/2,486.41
  6. Step 6: Final answer
    x = 1,973.38

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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.