Home / 3,653.36-5,479.80-1,573.28

Finding the Fourth Proportional to 3,653.36, 5,479.80 and 1,573.28

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Solution

The fourth proportional to 3,653.36, 5,479.80 and 1,573.28 is: 2,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.36 : 5,479.80 = 1,573.28 : x
  2. Step 2: Convert to fraction form
    3,653.36/5,479.80 = 1,573.28/x
  3. Step 3: Cross multiply
    3,653.36x = 5,479.80 × 1,573.28
  4. Step 4: Simplify right side
    3,653.36x = 8,621,259.74
  5. Step 5: Solve for x
    x = 8,621,259.74/3,653.36
  6. Step 6: Final answer
    x = 2,359.82

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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.