Home / 3,215.70-4,823.55-1,483.38

Finding the Fourth Proportional to 3,215.70, 4,823.55 and 1,483.38

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Solution

The fourth proportional to 3,215.70, 4,823.55 and 1,483.38 is: 2,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.70 : 4,823.55 = 1,483.38 : x
  2. Step 2: Convert to fraction form
    3,215.70/4,823.55 = 1,483.38/x
  3. Step 3: Cross multiply
    3,215.70x = 4,823.55 × 1,483.38
  4. Step 4: Simplify right side
    3,215.70x = 7,155,157.60
  5. Step 5: Solve for x
    x = 7,155,157.60/3,215.70
  6. Step 6: Final answer
    x = 2,225.07

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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.