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Finding the Fourth Proportional to 2,883.98, 3,979.02 and 1,763.76

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Solution

The fourth proportional to 2,883.98, 3,979.02 and 1,763.76 is: 2,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.98 : 3,979.02 = 1,763.76 : x
  2. Step 2: Convert to fraction form
    2,883.98/3,979.02 = 1,763.76/x
  3. Step 3: Cross multiply
    2,883.98x = 3,979.02 × 1,763.76
  4. Step 4: Simplify right side
    2,883.98x = 7,018,036.32
  5. Step 5: Solve for x
    x = 7,018,036.32/2,883.98
  6. Step 6: Final answer
    x = 2,433.46

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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.