Home / 1,329.61-1,827.36-1,034.37

Finding the Fourth Proportional to 1,329.61, 1,827.36 and 1,034.37

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Solution

The fourth proportional to 1,329.61, 1,827.36 and 1,034.37 is: 1,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.61 : 1,827.36 = 1,034.37 : x
  2. Step 2: Convert to fraction form
    1,329.61/1,827.36 = 1,034.37/x
  3. Step 3: Cross multiply
    1,329.61x = 1,827.36 × 1,034.37
  4. Step 4: Simplify right side
    1,329.61x = 1,890,166.36
  5. Step 5: Solve for x
    x = 1,890,166.36/1,329.61
  6. Step 6: Final answer
    x = 1,421.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.