Home / 1,835.38-2,533.49-1,214.58

Finding the Fourth Proportional to 1,835.38, 2,533.49 and 1,214.58

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Solution

The fourth proportional to 1,835.38, 2,533.49 and 1,214.58 is: 1,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.38 : 2,533.49 = 1,214.58 : x
  2. Step 2: Convert to fraction form
    1,835.38/2,533.49 = 1,214.58/x
  3. Step 3: Cross multiply
    1,835.38x = 2,533.49 × 1,214.58
  4. Step 4: Simplify right side
    1,835.38x = 3,077,126.28
  5. Step 5: Solve for x
    x = 3,077,126.28/1,835.38
  6. Step 6: Final answer
    x = 1,676.56

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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.