Home / 3,135.84-4,694.60-2,718.08

Finding the Fourth Proportional to 3,135.84, 4,694.60 and 2,718.08

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Solution

The fourth proportional to 3,135.84, 4,694.60 and 2,718.08 is: 4,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.84 : 4,694.60 = 2,718.08 : x
  2. Step 2: Convert to fraction form
    3,135.84/4,694.60 = 2,718.08/x
  3. Step 3: Cross multiply
    3,135.84x = 4,694.60 × 2,718.08
  4. Step 4: Simplify right side
    3,135.84x = 12,760,298.37
  5. Step 5: Solve for x
    x = 12,760,298.37/3,135.84
  6. Step 6: Final answer
    x = 4,069.18

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1.5x scale

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.