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Finding the Fourth Proportional to 1,995.03, 3,004.16 and 1,478.70

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Solution

The fourth proportional to 1,995.03, 3,004.16 and 1,478.70 is: 2,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.03 : 3,004.16 = 1,478.70 : x
  2. Step 2: Convert to fraction form
    1,995.03/3,004.16 = 1,478.70/x
  3. Step 3: Cross multiply
    1,995.03x = 3,004.16 × 1,478.70
  4. Step 4: Simplify right side
    1,995.03x = 4,442,244.00
  5. Step 5: Solve for x
    x = 4,442,244.00/1,995.03
  6. Step 6: Final answer
    x = 2,226.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.