Home / 1,975.58-2,726.40-1,091.46

Finding the Fourth Proportional to 1,975.58, 2,726.40 and 1,091.46

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Solution

The fourth proportional to 1,975.58, 2,726.40 and 1,091.46 is: 1,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.58 : 2,726.40 = 1,091.46 : x
  2. Step 2: Convert to fraction form
    1,975.58/2,726.40 = 1,091.46/x
  3. Step 3: Cross multiply
    1,975.58x = 2,726.40 × 1,091.46
  4. Step 4: Simplify right side
    1,975.58x = 2,975,756.54
  5. Step 5: Solve for x
    x = 2,975,756.54/1,975.58
  6. Step 6: Final answer
    x = 1,506.27

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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.