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Finding the Fourth Proportional to 1,887.71, 2,812.41 and 1,794.76

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Solution

The fourth proportional to 1,887.71, 2,812.41 and 1,794.76 is: 2,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.71 : 2,812.41 = 1,794.76 : x
  2. Step 2: Convert to fraction form
    1,887.71/2,812.41 = 1,794.76/x
  3. Step 3: Cross multiply
    1,887.71x = 2,812.41 × 1,794.76
  4. Step 4: Simplify right side
    1,887.71x = 5,047,593.94
  5. Step 5: Solve for x
    x = 5,047,593.94/1,887.71
  6. Step 6: Final answer
    x = 2,673.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.