Home / 3,021.39-4,528.36-1,440.94

Finding the Fourth Proportional to 3,021.39, 4,528.36 and 1,440.94

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Solution

The fourth proportional to 3,021.39, 4,528.36 and 1,440.94 is: 2,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.39 : 4,528.36 = 1,440.94 : x
  2. Step 2: Convert to fraction form
    3,021.39/4,528.36 = 1,440.94/x
  3. Step 3: Cross multiply
    3,021.39x = 4,528.36 × 1,440.94
  4. Step 4: Simplify right side
    3,021.39x = 6,525,095.06
  5. Step 5: Solve for x
    x = 6,525,095.06/3,021.39
  6. Step 6: Final answer
    x = 2,159.63

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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.