Home / 1,975.14-2,725.05-1,135.62

Finding the Fourth Proportional to 1,975.14, 2,725.05 and 1,135.62

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Solution

The fourth proportional to 1,975.14, 2,725.05 and 1,135.62 is: 1,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.14 : 2,725.05 = 1,135.62 : x
  2. Step 2: Convert to fraction form
    1,975.14/2,725.05 = 1,135.62/x
  3. Step 3: Cross multiply
    1,975.14x = 2,725.05 × 1,135.62
  4. Step 4: Simplify right side
    1,975.14x = 3,094,621.28
  5. Step 5: Solve for x
    x = 3,094,621.28/1,975.14
  6. Step 6: Final answer
    x = 1,566.79

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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.