Home / 1,288.58-1,933.36-595.58

Finding the Fourth Proportional to 1,288.58, 1,933.36 and 595.58

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Solution

The fourth proportional to 1,288.58, 1,933.36 and 595.58 is: 893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288.58 : 1,933.36 = 595.58 : x
  2. Step 2: Convert to fraction form
    1,288.58/1,933.36 = 595.58/x
  3. Step 3: Cross multiply
    1,288.58x = 1,933.36 × 595.58
  4. Step 4: Simplify right side
    1,288.58x = 1,151,470.55
  5. Step 5: Solve for x
    x = 1,151,470.55/1,288.58
  6. Step 6: Final answer
    x = 893.60

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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.