Home / 3,112.58-4,295.30-1,768.18

Finding the Fourth Proportional to 3,112.58, 4,295.30 and 1,768.18

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Solution

The fourth proportional to 3,112.58, 4,295.30 and 1,768.18 is: 2,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.58 : 4,295.30 = 1,768.18 : x
  2. Step 2: Convert to fraction form
    3,112.58/4,295.30 = 1,768.18/x
  3. Step 3: Cross multiply
    3,112.58x = 4,295.30 × 1,768.18
  4. Step 4: Simplify right side
    3,112.58x = 7,594,842.08
  5. Step 5: Solve for x
    x = 7,594,842.08/3,112.58
  6. Step 6: Final answer
    x = 2,440.05

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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.