Home / 3,094.40-4,268.40-2,430.20

Finding the Fourth Proportional to 3,094.40, 4,268.40 and 2,430.20

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Solution

The fourth proportional to 3,094.40, 4,268.40 and 2,430.20 is: 3,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.40 : 4,268.40 = 2,430.20 : x
  2. Step 2: Convert to fraction form
    3,094.40/4,268.40 = 2,430.20/x
  3. Step 3: Cross multiply
    3,094.40x = 4,268.40 × 2,430.20
  4. Step 4: Simplify right side
    3,094.40x = 10,373,065.68
  5. Step 5: Solve for x
    x = 10,373,065.68/3,094.40
  6. Step 6: Final answer
    x = 3,352.21

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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.