Home / 2,584.80-3,566.99-1,405.86

Finding the Fourth Proportional to 2,584.80, 3,566.99 and 1,405.86

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Solution

The fourth proportional to 2,584.80, 3,566.99 and 1,405.86 is: 1,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.80 : 3,566.99 = 1,405.86 : x
  2. Step 2: Convert to fraction form
    2,584.80/3,566.99 = 1,405.86/x
  3. Step 3: Cross multiply
    2,584.80x = 3,566.99 × 1,405.86
  4. Step 4: Simplify right side
    2,584.80x = 5,014,681.53
  5. Step 5: Solve for x
    x = 5,014,681.53/2,584.80
  6. Step 6: Final answer
    x = 1,940.07

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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.