Home / 1,574.03-2,166.62-1,556.75

Finding the Fourth Proportional to 1,574.03, 2,166.62 and 1,556.75

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Solution

The fourth proportional to 1,574.03, 2,166.62 and 1,556.75 is: 2,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.03 : 2,166.62 = 1,556.75 : x
  2. Step 2: Convert to fraction form
    1,574.03/2,166.62 = 1,556.75/x
  3. Step 3: Cross multiply
    1,574.03x = 2,166.62 × 1,556.75
  4. Step 4: Simplify right side
    1,574.03x = 3,372,883.32
  5. Step 5: Solve for x
    x = 3,372,883.32/1,574.03
  6. Step 6: Final answer
    x = 2,142.83

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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.