Home / 1,975.83-2,726.58-1,091.58

Finding the Fourth Proportional to 1,975.83, 2,726.58 and 1,091.58

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Solution

The fourth proportional to 1,975.83, 2,726.58 and 1,091.58 is: 1,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.83 : 2,726.58 = 1,091.58 : x
  2. Step 2: Convert to fraction form
    1,975.83/2,726.58 = 1,091.58/x
  3. Step 3: Cross multiply
    1,975.83x = 2,726.58 × 1,091.58
  4. Step 4: Simplify right side
    1,975.83x = 2,976,280.20
  5. Step 5: Solve for x
    x = 2,976,280.20/1,975.83
  6. Step 6: Final answer
    x = 1,506.34

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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.