Home / 2,696.15-3,719.45-1,948.93

Finding the Fourth Proportional to 2,696.15, 3,719.45 and 1,948.93

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Solution

The fourth proportional to 2,696.15, 3,719.45 and 1,948.93 is: 2,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.15 : 3,719.45 = 1,948.93 : x
  2. Step 2: Convert to fraction form
    2,696.15/3,719.45 = 1,948.93/x
  3. Step 3: Cross multiply
    2,696.15x = 3,719.45 × 1,948.93
  4. Step 4: Simplify right side
    2,696.15x = 7,248,943.26
  5. Step 5: Solve for x
    x = 7,248,943.26/2,696.15
  6. Step 6: Final answer
    x = 2,688.63

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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.