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Finding the Fourth Proportional to 2,300.50, 3,447.64 and 1,258.93

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Solution

The fourth proportional to 2,300.50, 3,447.64 and 1,258.93 is: 1,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.50 : 3,447.64 = 1,258.93 : x
  2. Step 2: Convert to fraction form
    2,300.50/3,447.64 = 1,258.93/x
  3. Step 3: Cross multiply
    2,300.50x = 3,447.64 × 1,258.93
  4. Step 4: Simplify right side
    2,300.50x = 4,340,337.43
  5. Step 5: Solve for x
    x = 4,340,337.43/2,300.50
  6. Step 6: Final answer
    x = 1,886.69

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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.