Home / 3,215.10-4,822.57-1,483.72

Finding the Fourth Proportional to 3,215.10, 4,822.57 and 1,483.72

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Solution

The fourth proportional to 3,215.10, 4,822.57 and 1,483.72 is: 2,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.10 : 4,822.57 = 1,483.72 : x
  2. Step 2: Convert to fraction form
    3,215.10/4,822.57 = 1,483.72/x
  3. Step 3: Cross multiply
    3,215.10x = 4,822.57 × 1,483.72
  4. Step 4: Simplify right side
    3,215.10x = 7,155,343.56
  5. Step 5: Solve for x
    x = 7,155,343.56/3,215.10
  6. Step 6: Final answer
    x = 2,225.54

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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.