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Finding the Fourth Proportional to 1,904.76, 2,622.93 and 1,863.87

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Solution

The fourth proportional to 1,904.76, 2,622.93 and 1,863.87 is: 2,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.76 : 2,622.93 = 1,863.87 : x
  2. Step 2: Convert to fraction form
    1,904.76/2,622.93 = 1,863.87/x
  3. Step 3: Cross multiply
    1,904.76x = 2,622.93 × 1,863.87
  4. Step 4: Simplify right side
    1,904.76x = 4,888,800.54
  5. Step 5: Solve for x
    x = 4,888,800.54/1,904.76
  6. Step 6: Final answer
    x = 2,566.62

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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.