Home / 3,127.95-4,316.15-1,869.14

Finding the Fourth Proportional to 3,127.95, 4,316.15 and 1,869.14

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Solution

The fourth proportional to 3,127.95, 4,316.15 and 1,869.14 is: 2,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.95 : 4,316.15 = 1,869.14 : x
  2. Step 2: Convert to fraction form
    3,127.95/4,316.15 = 1,869.14/x
  3. Step 3: Cross multiply
    3,127.95x = 4,316.15 × 1,869.14
  4. Step 4: Simplify right side
    3,127.95x = 8,067,504.07
  5. Step 5: Solve for x
    x = 8,067,504.07/3,127.95
  6. Step 6: Final answer
    x = 2,579.17

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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.