Home / 3,190.40-4,762.35-3,048.38

Finding the Fourth Proportional to 3,190.40, 4,762.35 and 3,048.38

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Solution

The fourth proportional to 3,190.40, 4,762.35 and 3,048.38 is: 4,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.40 : 4,762.35 = 3,048.38 : x
  2. Step 2: Convert to fraction form
    3,190.40/4,762.35 = 3,048.38/x
  3. Step 3: Cross multiply
    3,190.40x = 4,762.35 × 3,048.38
  4. Step 4: Simplify right side
    3,190.40x = 14,517,452.49
  5. Step 5: Solve for x
    x = 14,517,452.49/3,190.40
  6. Step 6: Final answer
    x = 4,550.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.