Home / 1,963.54-2,710.19-1,217.05

Finding the Fourth Proportional to 1,963.54, 2,710.19 and 1,217.05

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Solution

The fourth proportional to 1,963.54, 2,710.19 and 1,217.05 is: 1,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.54 : 2,710.19 = 1,217.05 : x
  2. Step 2: Convert to fraction form
    1,963.54/2,710.19 = 1,217.05/x
  3. Step 3: Cross multiply
    1,963.54x = 2,710.19 × 1,217.05
  4. Step 4: Simplify right side
    1,963.54x = 3,298,436.74
  5. Step 5: Solve for x
    x = 3,298,436.74/1,963.54
  6. Step 6: Final answer
    x = 1,679.84

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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.