Home / 2,955.14-4,074.72-2,207.84

Finding the Fourth Proportional to 2,955.14, 4,074.72 and 2,207.84

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Solution

The fourth proportional to 2,955.14, 4,074.72 and 2,207.84 is: 3,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.14 : 4,074.72 = 2,207.84 : x
  2. Step 2: Convert to fraction form
    2,955.14/4,074.72 = 2,207.84/x
  3. Step 3: Cross multiply
    2,955.14x = 4,074.72 × 2,207.84
  4. Step 4: Simplify right side
    2,955.14x = 8,996,329.80
  5. Step 5: Solve for x
    x = 8,996,329.80/2,955.14
  6. Step 6: Final answer
    x = 3,044.30

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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.