Home / 3,453.76-5,153.63-3,085.48

Finding the Fourth Proportional to 3,453.76, 5,153.63 and 3,085.48

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Solution

The fourth proportional to 3,453.76, 5,153.63 and 3,085.48 is: 4,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.76 : 5,153.63 = 3,085.48 : x
  2. Step 2: Convert to fraction form
    3,453.76/5,153.63 = 3,085.48/x
  3. Step 3: Cross multiply
    3,453.76x = 5,153.63 × 3,085.48
  4. Step 4: Simplify right side
    3,453.76x = 15,901,422.29
  5. Step 5: Solve for x
    x = 15,901,422.29/3,453.76
  6. Step 6: Final answer
    x = 4,604.09

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1.5x scale

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.