Home / 3,154.44-4,730.10-1,205.40

Finding the Fourth Proportional to 3,154.44, 4,730.10 and 1,205.40

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Solution

The fourth proportional to 3,154.44, 4,730.10 and 1,205.40 is: 1,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.44 : 4,730.10 = 1,205.40 : x
  2. Step 2: Convert to fraction form
    3,154.44/4,730.10 = 1,205.40/x
  3. Step 3: Cross multiply
    3,154.44x = 4,730.10 × 1,205.40
  4. Step 4: Simplify right side
    3,154.44x = 5,701,662.54
  5. Step 5: Solve for x
    x = 5,701,662.54/3,154.44
  6. Step 6: Final answer
    x = 1,807.50

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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.