Home / 2,284.05-3,150.96-1,339.90

Finding the Fourth Proportional to 2,284.05, 3,150.96 and 1,339.90

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Solution

The fourth proportional to 2,284.05, 3,150.96 and 1,339.90 is: 1,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.05 : 3,150.96 = 1,339.90 : x
  2. Step 2: Convert to fraction form
    2,284.05/3,150.96 = 1,339.90/x
  3. Step 3: Cross multiply
    2,284.05x = 3,150.96 × 1,339.90
  4. Step 4: Simplify right side
    2,284.05x = 4,221,971.30
  5. Step 5: Solve for x
    x = 4,221,971.30/2,284.05
  6. Step 6: Final answer
    x = 1,848.46

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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.