Home / 2,612.37-3,604.05-2,280.81

Finding the Fourth Proportional to 2,612.37, 3,604.05 and 2,280.81

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Solution

The fourth proportional to 2,612.37, 3,604.05 and 2,280.81 is: 3,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.37 : 3,604.05 = 2,280.81 : x
  2. Step 2: Convert to fraction form
    2,612.37/3,604.05 = 2,280.81/x
  3. Step 3: Cross multiply
    2,612.37x = 3,604.05 × 2,280.81
  4. Step 4: Simplify right side
    2,612.37x = 8,220,153.28
  5. Step 5: Solve for x
    x = 8,220,153.28/2,612.37
  6. Step 6: Final answer
    x = 3,146.63

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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.