Home / 2,905.32-4,009.37-1,579.02

Finding the Fourth Proportional to 2,905.32, 4,009.37 and 1,579.02

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Solution

The fourth proportional to 2,905.32, 4,009.37 and 1,579.02 is: 2,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.32 : 4,009.37 = 1,579.02 : x
  2. Step 2: Convert to fraction form
    2,905.32/4,009.37 = 1,579.02/x
  3. Step 3: Cross multiply
    2,905.32x = 4,009.37 × 1,579.02
  4. Step 4: Simplify right side
    2,905.32x = 6,330,877.55
  5. Step 5: Solve for x
    x = 6,330,877.55/2,905.32
  6. Step 6: Final answer
    x = 2,179.07

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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.