Home / 1,148.08-1,584.09-650.60

Finding the Fourth Proportional to 1,148.08, 1,584.09 and 650.60

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Solution

The fourth proportional to 1,148.08, 1,584.09 and 650.60 is: 897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.08 : 1,584.09 = 650.60 : x
  2. Step 2: Convert to fraction form
    1,148.08/1,584.09 = 650.60/x
  3. Step 3: Cross multiply
    1,148.08x = 1,584.09 × 650.60
  4. Step 4: Simplify right side
    1,148.08x = 1,030,610.47
  5. Step 5: Solve for x
    x = 1,030,610.47/1,148.08
  6. Step 6: Final answer
    x = 897.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.