Home / 2,964.18-4,090.46-1,916.84

Finding the Fourth Proportional to 2,964.18, 4,090.46 and 1,916.84

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Solution

The fourth proportional to 2,964.18, 4,090.46 and 1,916.84 is: 2,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.18 : 4,090.46 = 1,916.84 : x
  2. Step 2: Convert to fraction form
    2,964.18/4,090.46 = 1,916.84/x
  3. Step 3: Cross multiply
    2,964.18x = 4,090.46 × 1,916.84
  4. Step 4: Simplify right side
    2,964.18x = 7,840,757.35
  5. Step 5: Solve for x
    x = 7,840,757.35/2,964.18
  6. Step 6: Final answer
    x = 2,645.17

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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.