Home / 1,223.58-1,827.68-1,029.18

Finding the Fourth Proportional to 1,223.58, 1,827.68 and 1,029.18

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Solution

The fourth proportional to 1,223.58, 1,827.68 and 1,029.18 is: 1,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.58 : 1,827.68 = 1,029.18 : x
  2. Step 2: Convert to fraction form
    1,223.58/1,827.68 = 1,029.18/x
  3. Step 3: Cross multiply
    1,223.58x = 1,827.68 × 1,029.18
  4. Step 4: Simplify right side
    1,223.58x = 1,881,006.56
  5. Step 5: Solve for x
    x = 1,881,006.56/1,223.58
  6. Step 6: Final answer
    x = 1,537.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.