Home / 1,021.60-1,532.37-607.97

Finding the Fourth Proportional to 1,021.60, 1,532.37 and 607.97

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Solution

The fourth proportional to 1,021.60, 1,532.37 and 607.97 is: 911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021.60 : 1,532.37 = 607.97 : x
  2. Step 2: Convert to fraction form
    1,021.60/1,532.37 = 607.97/x
  3. Step 3: Cross multiply
    1,021.60x = 1,532.37 × 607.97
  4. Step 4: Simplify right side
    1,021.60x = 931,630.79
  5. Step 5: Solve for x
    x = 931,630.79/1,021.60
  6. Step 6: Final answer
    x = 911.93

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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.