Home / 1,511.93-2,086.52-848.74

Finding the Fourth Proportional to 1,511.93, 2,086.52 and 848.74

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Solution

The fourth proportional to 1,511.93, 2,086.52 and 848.74 is: 1,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.93 : 2,086.52 = 848.74 : x
  2. Step 2: Convert to fraction form
    1,511.93/2,086.52 = 848.74/x
  3. Step 3: Cross multiply
    1,511.93x = 2,086.52 × 848.74
  4. Step 4: Simplify right side
    1,511.93x = 1,770,912.98
  5. Step 5: Solve for x
    x = 1,770,912.98/1,511.93
  6. Step 6: Final answer
    x = 1,171.29

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1.5x scale

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.