Home / 1,867.68-2,566.44-1,556.64

Finding the Fourth Proportional to 1,867.68, 2,566.44 and 1,556.64

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Solution

The fourth proportional to 1,867.68, 2,566.44 and 1,556.64 is: 2,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.68 : 2,566.44 = 1,556.64 : x
  2. Step 2: Convert to fraction form
    1,867.68/2,566.44 = 1,556.64/x
  3. Step 3: Cross multiply
    1,867.68x = 2,566.44 × 1,556.64
  4. Step 4: Simplify right side
    1,867.68x = 3,995,023.16
  5. Step 5: Solve for x
    x = 3,995,023.16/1,867.68
  6. Step 6: Final answer
    x = 2,139.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.