Home / 3,081.48-4,622.40-2,355.52

Finding the Fourth Proportional to 3,081.48, 4,622.40 and 2,355.52

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Solution

The fourth proportional to 3,081.48, 4,622.40 and 2,355.52 is: 3,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.48 : 4,622.40 = 2,355.52 : x
  2. Step 2: Convert to fraction form
    3,081.48/4,622.40 = 2,355.52/x
  3. Step 3: Cross multiply
    3,081.48x = 4,622.40 × 2,355.52
  4. Step 4: Simplify right side
    3,081.48x = 10,888,155.65
  5. Step 5: Solve for x
    x = 10,888,155.65/3,081.48
  6. Step 6: Final answer
    x = 3,533.42

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1.5x scale

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.