Home / 3,744.80-5,130.36-3,604.60

Finding the Fourth Proportional to 3,744.80, 5,130.36 and 3,604.60

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Solution

The fourth proportional to 3,744.80, 5,130.36 and 3,604.60 is: 4,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.80 : 5,130.36 = 3,604.60 : x
  2. Step 2: Convert to fraction form
    3,744.80/5,130.36 = 3,604.60/x
  3. Step 3: Cross multiply
    3,744.80x = 5,130.36 × 3,604.60
  4. Step 4: Simplify right side
    3,744.80x = 18,492,870.00
  5. Step 5: Solve for x
    x = 18,492,870.00/3,744.80
  6. Step 6: Final answer
    x = 4,938.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.