Home / 2,556-3,834.90-1,258.38

Finding the Fourth Proportional to 2,556, 3,834.90 and 1,258.38

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Solution

The fourth proportional to 2,556, 3,834.90 and 1,258.38 is: 1,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556 : 3,834.90 = 1,258.38 : x
  2. Step 2: Convert to fraction form
    2,556/3,834.90 = 1,258.38/x
  3. Step 3: Cross multiply
    2,556x = 3,834.90 × 1,258.38
  4. Step 4: Simplify right side
    2,556x = 4,825,761.46
  5. Step 5: Solve for x
    x = 4,825,761.46/2,556
  6. Step 6: Final answer
    x = 1,888.01

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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.