Home / 3,133.70-4,324.37-1,874.01

Finding the Fourth Proportional to 3,133.70, 4,324.37 and 1,874.01

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Solution

The fourth proportional to 3,133.70, 4,324.37 and 1,874.01 is: 2,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.70 : 4,324.37 = 1,874.01 : x
  2. Step 2: Convert to fraction form
    3,133.70/4,324.37 = 1,874.01/x
  3. Step 3: Cross multiply
    3,133.70x = 4,324.37 × 1,874.01
  4. Step 4: Simplify right side
    3,133.70x = 8,103,905.69
  5. Step 5: Solve for x
    x = 8,103,905.69/3,133.70
  6. Step 6: Final answer
    x = 2,586.05

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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.