Home / 1,904.44-2,856.96-606.20

Finding the Fourth Proportional to 1,904.44, 2,856.96 and 606.20

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Solution

The fourth proportional to 1,904.44, 2,856.96 and 606.20 is: 909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.44 : 2,856.96 = 606.20 : x
  2. Step 2: Convert to fraction form
    1,904.44/2,856.96 = 606.20/x
  3. Step 3: Cross multiply
    1,904.44x = 2,856.96 × 606.20
  4. Step 4: Simplify right side
    1,904.44x = 1,731,889.15
  5. Step 5: Solve for x
    x = 1,731,889.15/1,904.44
  6. Step 6: Final answer
    x = 909.40

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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.