Home / 3,133.35-4,324.80-1,807.85

Finding the Fourth Proportional to 3,133.35, 4,324.80 and 1,807.85

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Solution

The fourth proportional to 3,133.35, 4,324.80 and 1,807.85 is: 2,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.35 : 4,324.80 = 1,807.85 : x
  2. Step 2: Convert to fraction form
    3,133.35/4,324.80 = 1,807.85/x
  3. Step 3: Cross multiply
    3,133.35x = 4,324.80 × 1,807.85
  4. Step 4: Simplify right side
    3,133.35x = 7,818,568.06
  5. Step 5: Solve for x
    x = 7,818,568.06/3,133.35
  6. Step 6: Final answer
    x = 2,495.27

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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.