Home / 1,551.18-2,140.62-852.60

Finding the Fourth Proportional to 1,551.18, 2,140.62 and 852.60

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Solution

The fourth proportional to 1,551.18, 2,140.62 and 852.60 is: 1,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.18 : 2,140.62 = 852.60 : x
  2. Step 2: Convert to fraction form
    1,551.18/2,140.62 = 852.60/x
  3. Step 3: Cross multiply
    1,551.18x = 2,140.62 × 852.60
  4. Step 4: Simplify right side
    1,551.18x = 1,825,092.61
  5. Step 5: Solve for x
    x = 1,825,092.61/1,551.18
  6. Step 6: Final answer
    x = 1,176.58

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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.