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Finding the Fourth Proportional to 2,903.71, 4,353.73 and 1,259

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Solution

The fourth proportional to 2,903.71, 4,353.73 and 1,259 is: 1,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.71 : 4,353.73 = 1,259 : x
  2. Step 2: Convert to fraction form
    2,903.71/4,353.73 = 1,259/x
  3. Step 3: Cross multiply
    2,903.71x = 4,353.73 × 1,259
  4. Step 4: Simplify right side
    2,903.71x = 5,481,346.07
  5. Step 5: Solve for x
    x = 5,481,346.07/2,903.71
  6. Step 6: Final answer
    x = 1,887.70

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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.