Home / 3,112.30-4,668.74-1,468.40

Finding the Fourth Proportional to 3,112.30, 4,668.74 and 1,468.40

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Solution

The fourth proportional to 3,112.30, 4,668.74 and 1,468.40 is: 2,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.30 : 4,668.74 = 1,468.40 : x
  2. Step 2: Convert to fraction form
    3,112.30/4,668.74 = 1,468.40/x
  3. Step 3: Cross multiply
    3,112.30x = 4,668.74 × 1,468.40
  4. Step 4: Simplify right side
    3,112.30x = 6,855,577.82
  5. Step 5: Solve for x
    x = 6,855,577.82/3,112.30
  6. Step 6: Final answer
    x = 2,202.74

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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.