Home / 3,045.80-4,203.68-2,300.60

Finding the Fourth Proportional to 3,045.80, 4,203.68 and 2,300.60

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Solution

The fourth proportional to 3,045.80, 4,203.68 and 2,300.60 is: 3,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.80 : 4,203.68 = 2,300.60 : x
  2. Step 2: Convert to fraction form
    3,045.80/4,203.68 = 2,300.60/x
  3. Step 3: Cross multiply
    3,045.80x = 4,203.68 × 2,300.60
  4. Step 4: Simplify right side
    3,045.80x = 9,670,986.21
  5. Step 5: Solve for x
    x = 9,670,986.21/3,045.80
  6. Step 6: Final answer
    x = 3,175.19

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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.