Home / 3,557.64-4,909.84-1,964.44

Finding the Fourth Proportional to 3,557.64, 4,909.84 and 1,964.44

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Solution

The fourth proportional to 3,557.64, 4,909.84 and 1,964.44 is: 2,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.64 : 4,909.84 = 1,964.44 : x
  2. Step 2: Convert to fraction form
    3,557.64/4,909.84 = 1,964.44/x
  3. Step 3: Cross multiply
    3,557.64x = 4,909.84 × 1,964.44
  4. Step 4: Simplify right side
    3,557.64x = 9,645,051.72
  5. Step 5: Solve for x
    x = 9,645,051.72/3,557.64
  6. Step 6: Final answer
    x = 2,711.08

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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.