Home / 2,808.24-4,211.64-1,653.36

Finding the Fourth Proportional to 2,808.24, 4,211.64 and 1,653.36

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Solution

The fourth proportional to 2,808.24, 4,211.64 and 1,653.36 is: 2,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.24 : 4,211.64 = 1,653.36 : x
  2. Step 2: Convert to fraction form
    2,808.24/4,211.64 = 1,653.36/x
  3. Step 3: Cross multiply
    2,808.24x = 4,211.64 × 1,653.36
  4. Step 4: Simplify right side
    2,808.24x = 6,963,357.11
  5. Step 5: Solve for x
    x = 6,963,357.11/2,808.24
  6. Step 6: Final answer
    x = 2,479.62

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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.