Home / 3,323.62-4,586.54-1,811.20

Finding the Fourth Proportional to 3,323.62, 4,586.54 and 1,811.20

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Solution

The fourth proportional to 3,323.62, 4,586.54 and 1,811.20 is: 2,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.62 : 4,586.54 = 1,811.20 : x
  2. Step 2: Convert to fraction form
    3,323.62/4,586.54 = 1,811.20/x
  3. Step 3: Cross multiply
    3,323.62x = 4,586.54 × 1,811.20
  4. Step 4: Simplify right side
    3,323.62x = 8,307,123.39
  5. Step 5: Solve for x
    x = 8,307,123.39/3,323.62
  6. Step 6: Final answer
    x = 2,499.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.