Home / 3,612.90-4,980.34-2,825.58

Finding the Fourth Proportional to 3,612.90, 4,980.34 and 2,825.58

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Solution

The fourth proportional to 3,612.90, 4,980.34 and 2,825.58 is: 3,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.90 : 4,980.34 = 2,825.58 : x
  2. Step 2: Convert to fraction form
    3,612.90/4,980.34 = 2,825.58/x
  3. Step 3: Cross multiply
    3,612.90x = 4,980.34 × 2,825.58
  4. Step 4: Simplify right side
    3,612.90x = 14,072,349.10
  5. Step 5: Solve for x
    x = 14,072,349.10/3,612.90
  6. Step 6: Final answer
    x = 3,895.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.