Home / 2,848.40-4,273.16-900.72

Finding the Fourth Proportional to 2,848.40, 4,273.16 and 900.72

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Solution

The fourth proportional to 2,848.40, 4,273.16 and 900.72 is: 1,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.40 : 4,273.16 = 900.72 : x
  2. Step 2: Convert to fraction form
    2,848.40/4,273.16 = 900.72/x
  3. Step 3: Cross multiply
    2,848.40x = 4,273.16 × 900.72
  4. Step 4: Simplify right side
    2,848.40x = 3,848,920.68
  5. Step 5: Solve for x
    x = 3,848,920.68/2,848.40
  6. Step 6: Final answer
    x = 1,351.26

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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.