Home / 2,148.39-2,964.69-1,204.20

Finding the Fourth Proportional to 2,148.39, 2,964.69 and 1,204.20

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Solution

The fourth proportional to 2,148.39, 2,964.69 and 1,204.20 is: 1,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.39 : 2,964.69 = 1,204.20 : x
  2. Step 2: Convert to fraction form
    2,148.39/2,964.69 = 1,204.20/x
  3. Step 3: Cross multiply
    2,148.39x = 2,964.69 × 1,204.20
  4. Step 4: Simplify right side
    2,148.39x = 3,570,079.70
  5. Step 5: Solve for x
    x = 3,570,079.70/2,148.39
  6. Step 6: Final answer
    x = 1,661.75

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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.