Home / 1,975.64-2,726.36-1,091.42

Finding the Fourth Proportional to 1,975.64, 2,726.36 and 1,091.42

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Solution

The fourth proportional to 1,975.64, 2,726.36 and 1,091.42 is: 1,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.64 : 2,726.36 = 1,091.42 : x
  2. Step 2: Convert to fraction form
    1,975.64/2,726.36 = 1,091.42/x
  3. Step 3: Cross multiply
    1,975.64x = 2,726.36 × 1,091.42
  4. Step 4: Simplify right side
    1,975.64x = 2,975,603.83
  5. Step 5: Solve for x
    x = 2,975,603.83/1,975.64
  6. Step 6: Final answer
    x = 1,506.15

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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.