Home / 2,812.34-4,216.39-2,197.35

Finding the Fourth Proportional to 2,812.34, 4,216.39 and 2,197.35

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Solution

The fourth proportional to 2,812.34, 4,216.39 and 2,197.35 is: 3,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.34 : 4,216.39 = 2,197.35 : x
  2. Step 2: Convert to fraction form
    2,812.34/4,216.39 = 2,197.35/x
  3. Step 3: Cross multiply
    2,812.34x = 4,216.39 × 2,197.35
  4. Step 4: Simplify right side
    2,812.34x = 9,264,879.07
  5. Step 5: Solve for x
    x = 9,264,879.07/2,812.34
  6. Step 6: Final answer
    x = 3,294.36

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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.