Home / 1,838.38-2,537.58-1,053.22

Finding the Fourth Proportional to 1,838.38, 2,537.58 and 1,053.22

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Solution

The fourth proportional to 1,838.38, 2,537.58 and 1,053.22 is: 1,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.38 : 2,537.58 = 1,053.22 : x
  2. Step 2: Convert to fraction form
    1,838.38/2,537.58 = 1,053.22/x
  3. Step 3: Cross multiply
    1,838.38x = 2,537.58 × 1,053.22
  4. Step 4: Simplify right side
    1,838.38x = 2,672,630.01
  5. Step 5: Solve for x
    x = 2,672,630.01/1,838.38
  6. Step 6: Final answer
    x = 1,453.80

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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.