Home / 2,148.03-2,964.28-1,308.73

Finding the Fourth Proportional to 2,148.03, 2,964.28 and 1,308.73

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Solution

The fourth proportional to 2,148.03, 2,964.28 and 1,308.73 is: 1,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.03 : 2,964.28 = 1,308.73 : x
  2. Step 2: Convert to fraction form
    2,148.03/2,964.28 = 1,308.73/x
  3. Step 3: Cross multiply
    2,148.03x = 2,964.28 × 1,308.73
  4. Step 4: Simplify right side
    2,148.03x = 3,879,435.62
  5. Step 5: Solve for x
    x = 3,879,435.62/2,148.03
  6. Step 6: Final answer
    x = 1,806.05

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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.