Home / 2,910.51-4,361.87-1,427.46

Finding the Fourth Proportional to 2,910.51, 4,361.87 and 1,427.46

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Solution

The fourth proportional to 2,910.51, 4,361.87 and 1,427.46 is: 2,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.51 : 4,361.87 = 1,427.46 : x
  2. Step 2: Convert to fraction form
    2,910.51/4,361.87 = 1,427.46/x
  3. Step 3: Cross multiply
    2,910.51x = 4,361.87 × 1,427.46
  4. Step 4: Simplify right side
    2,910.51x = 6,226,416.96
  5. Step 5: Solve for x
    x = 6,226,416.96/2,910.51
  6. Step 6: Final answer
    x = 2,139.29

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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.