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Finding the Fourth Proportional to 1,876.54, 2,810.58 and 903.37

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Solution

The fourth proportional to 1,876.54, 2,810.58 and 903.37 is: 1,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.54 : 2,810.58 = 903.37 : x
  2. Step 2: Convert to fraction form
    1,876.54/2,810.58 = 903.37/x
  3. Step 3: Cross multiply
    1,876.54x = 2,810.58 × 903.37
  4. Step 4: Simplify right side
    1,876.54x = 2,538,993.65
  5. Step 5: Solve for x
    x = 2,538,993.65/1,876.54
  6. Step 6: Final answer
    x = 1,353.02

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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.