Home / 3,215.45-4,823.12-1,024.16

Finding the Fourth Proportional to 3,215.45, 4,823.12 and 1,024.16

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Solution

The fourth proportional to 3,215.45, 4,823.12 and 1,024.16 is: 1,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.45 : 4,823.12 = 1,024.16 : x
  2. Step 2: Convert to fraction form
    3,215.45/4,823.12 = 1,024.16/x
  3. Step 3: Cross multiply
    3,215.45x = 4,823.12 × 1,024.16
  4. Step 4: Simplify right side
    3,215.45x = 4,939,625.02
  5. Step 5: Solve for x
    x = 4,939,625.02/3,215.45
  6. Step 6: Final answer
    x = 1,536.21

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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.