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Finding the Fourth Proportional to 3,445, 4,754.16 and 1,873.12

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Solution

The fourth proportional to 3,445, 4,754.16 and 1,873.12 is: 2,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445 : 4,754.16 = 1,873.12 : x
  2. Step 2: Convert to fraction form
    3,445/4,754.16 = 1,873.12/x
  3. Step 3: Cross multiply
    3,445x = 4,754.16 × 1,873.12
  4. Step 4: Simplify right side
    3,445x = 8,905,112.18
  5. Step 5: Solve for x
    x = 8,905,112.18/3,445
  6. Step 6: Final answer
    x = 2,584.94

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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.