Home / 3,090.40-4,635.60-2,274.40

Finding the Fourth Proportional to 3,090.40, 4,635.60 and 2,274.40

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Solution

The fourth proportional to 3,090.40, 4,635.60 and 2,274.40 is: 3,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.40 : 4,635.60 = 2,274.40 : x
  2. Step 2: Convert to fraction form
    3,090.40/4,635.60 = 2,274.40/x
  3. Step 3: Cross multiply
    3,090.40x = 4,635.60 × 2,274.40
  4. Step 4: Simplify right side
    3,090.40x = 10,543,208.64
  5. Step 5: Solve for x
    x = 10,543,208.64/3,090.40
  6. Step 6: Final answer
    x = 3,411.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.