Home / 3,133.98-4,325.90-1,808.60

Finding the Fourth Proportional to 3,133.98, 4,325.90 and 1,808.60

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Solution

The fourth proportional to 3,133.98, 4,325.90 and 1,808.60 is: 2,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.98 : 4,325.90 = 1,808.60 : x
  2. Step 2: Convert to fraction form
    3,133.98/4,325.90 = 1,808.60/x
  3. Step 3: Cross multiply
    3,133.98x = 4,325.90 × 1,808.60
  4. Step 4: Simplify right side
    3,133.98x = 7,823,792.07
  5. Step 5: Solve for x
    x = 7,823,792.07/3,133.98
  6. Step 6: Final answer
    x = 2,496.44

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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.