Home / 1,556.64-2,148.36-1,336.32

Finding the Fourth Proportional to 1,556.64, 2,148.36 and 1,336.32

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Solution

The fourth proportional to 1,556.64, 2,148.36 and 1,336.32 is: 1,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.64 : 2,148.36 = 1,336.32 : x
  2. Step 2: Convert to fraction form
    1,556.64/2,148.36 = 1,336.32/x
  3. Step 3: Cross multiply
    1,556.64x = 2,148.36 × 1,336.32
  4. Step 4: Simplify right side
    1,556.64x = 2,870,896.44
  5. Step 5: Solve for x
    x = 2,870,896.44/1,556.64
  6. Step 6: Final answer
    x = 1,844.29

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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.