Home / 3,374.64-5,070.96-1,815.84

Finding the Fourth Proportional to 3,374.64, 5,070.96 and 1,815.84

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Solution

The fourth proportional to 3,374.64, 5,070.96 and 1,815.84 is: 2,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.64 : 5,070.96 = 1,815.84 : x
  2. Step 2: Convert to fraction form
    3,374.64/5,070.96 = 1,815.84/x
  3. Step 3: Cross multiply
    3,374.64x = 5,070.96 × 1,815.84
  4. Step 4: Simplify right side
    3,374.64x = 9,208,052.01
  5. Step 5: Solve for x
    x = 9,208,052.01/3,374.64
  6. Step 6: Final answer
    x = 2,728.60

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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.