Home / 3,101.10-4,619.24-3,090.30

Finding the Fourth Proportional to 3,101.10, 4,619.24 and 3,090.30

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Solution

The fourth proportional to 3,101.10, 4,619.24 and 3,090.30 is: 4,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.10 : 4,619.24 = 3,090.30 : x
  2. Step 2: Convert to fraction form
    3,101.10/4,619.24 = 3,090.30/x
  3. Step 3: Cross multiply
    3,101.10x = 4,619.24 × 3,090.30
  4. Step 4: Simplify right side
    3,101.10x = 14,274,821.92
  5. Step 5: Solve for x
    x = 14,274,821.92/3,101.10
  6. Step 6: Final answer
    x = 4,603.15

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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.