Home / 2,556.36-3,817.20-2,030.44

Finding the Fourth Proportional to 2,556.36, 3,817.20 and 2,030.44

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Solution

The fourth proportional to 2,556.36, 3,817.20 and 2,030.44 is: 3,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.36 : 3,817.20 = 2,030.44 : x
  2. Step 2: Convert to fraction form
    2,556.36/3,817.20 = 2,030.44/x
  3. Step 3: Cross multiply
    2,556.36x = 3,817.20 × 2,030.44
  4. Step 4: Simplify right side
    2,556.36x = 7,750,595.57
  5. Step 5: Solve for x
    x = 7,750,595.57/2,556.36
  6. Step 6: Final answer
    x = 3,031.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.