Home / 2,556.84-3,830.14-1,530.28

Finding the Fourth Proportional to 2,556.84, 3,830.14 and 1,530.28

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Solution

The fourth proportional to 2,556.84, 3,830.14 and 1,530.28 is: 2,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.84 : 3,830.14 = 1,530.28 : x
  2. Step 2: Convert to fraction form
    2,556.84/3,830.14 = 1,530.28/x
  3. Step 3: Cross multiply
    2,556.84x = 3,830.14 × 1,530.28
  4. Step 4: Simplify right side
    2,556.84x = 5,861,186.64
  5. Step 5: Solve for x
    x = 5,861,186.64/2,556.84
  6. Step 6: Final answer
    x = 2,292.36

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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.