Home / 1,556.70-2,148.24-848.56

Finding the Fourth Proportional to 1,556.70, 2,148.24 and 848.56

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Solution

The fourth proportional to 1,556.70, 2,148.24 and 848.56 is: 1,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.70 : 2,148.24 = 848.56 : x
  2. Step 2: Convert to fraction form
    1,556.70/2,148.24 = 848.56/x
  3. Step 3: Cross multiply
    1,556.70x = 2,148.24 × 848.56
  4. Step 4: Simplify right side
    1,556.70x = 1,822,910.53
  5. Step 5: Solve for x
    x = 1,822,910.53/1,556.70
  6. Step 6: Final answer
    x = 1,171.01

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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.