Home / 1,185.44-1,766.31-1,056.11

Finding the Fourth Proportional to 1,185.44, 1,766.31 and 1,056.11

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Solution

The fourth proportional to 1,185.44, 1,766.31 and 1,056.11 is: 1,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185.44 : 1,766.31 = 1,056.11 : x
  2. Step 2: Convert to fraction form
    1,185.44/1,766.31 = 1,056.11/x
  3. Step 3: Cross multiply
    1,185.44x = 1,766.31 × 1,056.11
  4. Step 4: Simplify right side
    1,185.44x = 1,865,412.37
  5. Step 5: Solve for x
    x = 1,865,412.37/1,185.44
  6. Step 6: Final answer
    x = 1,573.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.