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Finding the Fourth Proportional to 1,894.96, 2,838.48 and 1,527.76

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Solution

The fourth proportional to 1,894.96, 2,838.48 and 1,527.76 is: 2,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.96 : 2,838.48 = 1,527.76 : x
  2. Step 2: Convert to fraction form
    1,894.96/2,838.48 = 1,527.76/x
  3. Step 3: Cross multiply
    1,894.96x = 2,838.48 × 1,527.76
  4. Step 4: Simplify right side
    1,894.96x = 4,336,516.20
  5. Step 5: Solve for x
    x = 4,336,516.20/1,894.96
  6. Step 6: Final answer
    x = 2,288.45

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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.