Home / 1,289.48-1,933.92-595.72

Finding the Fourth Proportional to 1,289.48, 1,933.92 and 595.72

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Solution

The fourth proportional to 1,289.48, 1,933.92 and 595.72 is: 893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289.48 : 1,933.92 = 595.72 : x
  2. Step 2: Convert to fraction form
    1,289.48/1,933.92 = 595.72/x
  3. Step 3: Cross multiply
    1,289.48x = 1,933.92 × 595.72
  4. Step 4: Simplify right side
    1,289.48x = 1,152,074.82
  5. Step 5: Solve for x
    x = 1,152,074.82/1,289.48
  6. Step 6: Final answer
    x = 893.44

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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.