Home / 4,205.40-6,308.10-2,261.40

Finding the Fourth Proportional to 4,205.40, 6,308.10 and 2,261.40

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Solution

The fourth proportional to 4,205.40, 6,308.10 and 2,261.40 is: 3,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.40 : 6,308.10 = 2,261.40 : x
  2. Step 2: Convert to fraction form
    4,205.40/6,308.10 = 2,261.40/x
  3. Step 3: Cross multiply
    4,205.40x = 6,308.10 × 2,261.40
  4. Step 4: Simplify right side
    4,205.40x = 14,265,137.34
  5. Step 5: Solve for x
    x = 14,265,137.34/4,205.40
  6. Step 6: Final answer
    x = 3,392.10

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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.