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Finding the Fourth Proportional to 2,883.77, 4,325.63 and 1,128.94

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Solution

The fourth proportional to 2,883.77, 4,325.63 and 1,128.94 is: 1,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.77 : 4,325.63 = 1,128.94 : x
  2. Step 2: Convert to fraction form
    2,883.77/4,325.63 = 1,128.94/x
  3. Step 3: Cross multiply
    2,883.77x = 4,325.63 × 1,128.94
  4. Step 4: Simplify right side
    2,883.77x = 4,883,376.73
  5. Step 5: Solve for x
    x = 4,883,376.73/2,883.77
  6. Step 6: Final answer
    x = 1,693.40

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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.