Home / 1,442.55-2,161.36-1,302.51

Finding the Fourth Proportional to 1,442.55, 2,161.36 and 1,302.51

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Solution

The fourth proportional to 1,442.55, 2,161.36 and 1,302.51 is: 1,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.55 : 2,161.36 = 1,302.51 : x
  2. Step 2: Convert to fraction form
    1,442.55/2,161.36 = 1,302.51/x
  3. Step 3: Cross multiply
    1,442.55x = 2,161.36 × 1,302.51
  4. Step 4: Simplify right side
    1,442.55x = 2,815,193.01
  5. Step 5: Solve for x
    x = 2,815,193.01/1,442.55
  6. Step 6: Final answer
    x = 1,951.54

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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.