Home / 2,068.39-2,853.08-1,228.50

Finding the Fourth Proportional to 2,068.39, 2,853.08 and 1,228.50

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Solution

The fourth proportional to 2,068.39, 2,853.08 and 1,228.50 is: 1,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.39 : 2,853.08 = 1,228.50 : x
  2. Step 2: Convert to fraction form
    2,068.39/2,853.08 = 1,228.50/x
  3. Step 3: Cross multiply
    2,068.39x = 2,853.08 × 1,228.50
  4. Step 4: Simplify right side
    2,068.39x = 3,504,988.37
  5. Step 5: Solve for x
    x = 3,504,988.37/2,068.39
  6. Step 6: Final answer
    x = 1,694.55

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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.