Home / 1,976.32-2,725.56-1,556.08

Finding the Fourth Proportional to 1,976.32, 2,725.56 and 1,556.08

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Solution

The fourth proportional to 1,976.32, 2,725.56 and 1,556.08 is: 2,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.32 : 2,725.56 = 1,556.08 : x
  2. Step 2: Convert to fraction form
    1,976.32/2,725.56 = 1,556.08/x
  3. Step 3: Cross multiply
    1,976.32x = 2,725.56 × 1,556.08
  4. Step 4: Simplify right side
    1,976.32x = 4,241,189.40
  5. Step 5: Solve for x
    x = 4,241,189.40/1,976.32
  6. Step 6: Final answer
    x = 2,146.00

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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.