Home / 1,704.90-2,556.87-974.07

Finding the Fourth Proportional to 1,704.90, 2,556.87 and 974.07

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Solution

The fourth proportional to 1,704.90, 2,556.87 and 974.07 is: 1,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.90 : 2,556.87 = 974.07 : x
  2. Step 2: Convert to fraction form
    1,704.90/2,556.87 = 974.07/x
  3. Step 3: Cross multiply
    1,704.90x = 2,556.87 × 974.07
  4. Step 4: Simplify right side
    1,704.90x = 2,490,570.36
  5. Step 5: Solve for x
    x = 2,490,570.36/1,704.90
  6. Step 6: Final answer
    x = 1,460.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.