Home / 3,368.36-4,648.02-3,120.68

Finding the Fourth Proportional to 3,368.36, 4,648.02 and 3,120.68

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Solution

The fourth proportional to 3,368.36, 4,648.02 and 3,120.68 is: 4,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.36 : 4,648.02 = 3,120.68 : x
  2. Step 2: Convert to fraction form
    3,368.36/4,648.02 = 3,120.68/x
  3. Step 3: Cross multiply
    3,368.36x = 4,648.02 × 3,120.68
  4. Step 4: Simplify right side
    3,368.36x = 14,504,983.05
  5. Step 5: Solve for x
    x = 14,504,983.05/3,368.36
  6. Step 6: Final answer
    x = 4,306.24

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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.