Home / 3,453.45-5,154.06-3,219.36

Finding the Fourth Proportional to 3,453.45, 5,154.06 and 3,219.36

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Solution

The fourth proportional to 3,453.45, 5,154.06 and 3,219.36 is: 4,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.45 : 5,154.06 = 3,219.36 : x
  2. Step 2: Convert to fraction form
    3,453.45/5,154.06 = 3,219.36/x
  3. Step 3: Cross multiply
    3,453.45x = 5,154.06 × 3,219.36
  4. Step 4: Simplify right side
    3,453.45x = 16,592,774.60
  5. Step 5: Solve for x
    x = 16,592,774.60/3,453.45
  6. Step 6: Final answer
    x = 4,804.70

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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.