Home / 2,696.02-3,719.39-1,948.32

Finding the Fourth Proportional to 2,696.02, 3,719.39 and 1,948.32

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Solution

The fourth proportional to 2,696.02, 3,719.39 and 1,948.32 is: 2,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.02 : 3,719.39 = 1,948.32 : x
  2. Step 2: Convert to fraction form
    2,696.02/3,719.39 = 1,948.32/x
  3. Step 3: Cross multiply
    2,696.02x = 3,719.39 × 1,948.32
  4. Step 4: Simplify right side
    2,696.02x = 7,246,552.18
  5. Step 5: Solve for x
    x = 7,246,552.18/2,696.02
  6. Step 6: Final answer
    x = 2,687.87

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1.5x scale

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.