Home / 1,556.66-2,148.19-848.51

Finding the Fourth Proportional to 1,556.66, 2,148.19 and 848.51

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Solution

The fourth proportional to 1,556.66, 2,148.19 and 848.51 is: 1,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.66 : 2,148.19 = 848.51 : x
  2. Step 2: Convert to fraction form
    1,556.66/2,148.19 = 848.51/x
  3. Step 3: Cross multiply
    1,556.66x = 2,148.19 × 848.51
  4. Step 4: Simplify right side
    1,556.66x = 1,822,760.70
  5. Step 5: Solve for x
    x = 1,822,760.70/1,556.66
  6. Step 6: Final answer
    x = 1,170.94

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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.