Home / 2,011.05-3,014.24-840.41

Finding the Fourth Proportional to 2,011.05, 3,014.24 and 840.41

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Solution

The fourth proportional to 2,011.05, 3,014.24 and 840.41 is: 1,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.05 : 3,014.24 = 840.41 : x
  2. Step 2: Convert to fraction form
    2,011.05/3,014.24 = 840.41/x
  3. Step 3: Cross multiply
    2,011.05x = 3,014.24 × 840.41
  4. Step 4: Simplify right side
    2,011.05x = 2,533,178.17
  5. Step 5: Solve for x
    x = 2,533,178.17/2,011.05
  6. Step 6: Final answer
    x = 1,259.63

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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.