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Finding the Fourth Proportional to 1,937, 2,900.84 and 1,241.51

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Solution

The fourth proportional to 1,937, 2,900.84 and 1,241.51 is: 1,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937 : 2,900.84 = 1,241.51 : x
  2. Step 2: Convert to fraction form
    1,937/2,900.84 = 1,241.51/x
  3. Step 3: Cross multiply
    1,937x = 2,900.84 × 1,241.51
  4. Step 4: Simplify right side
    1,937x = 3,601,421.87
  5. Step 5: Solve for x
    x = 3,601,421.87/1,937
  6. Step 6: Final answer
    x = 1,859.28

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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.