Home / 3,256.52-4,880.66-1,405.49

Finding the Fourth Proportional to 3,256.52, 4,880.66 and 1,405.49

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Solution

The fourth proportional to 3,256.52, 4,880.66 and 1,405.49 is: 2,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.52 : 4,880.66 = 1,405.49 : x
  2. Step 2: Convert to fraction form
    3,256.52/4,880.66 = 1,405.49/x
  3. Step 3: Cross multiply
    3,256.52x = 4,880.66 × 1,405.49
  4. Step 4: Simplify right side
    3,256.52x = 6,859,687.39
  5. Step 5: Solve for x
    x = 6,859,687.39/3,256.52
  6. Step 6: Final answer
    x = 2,106.45

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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.