Home / 2,584.60-3,566.71-1,405.64

Finding the Fourth Proportional to 2,584.60, 3,566.71 and 1,405.64

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Solution

The fourth proportional to 2,584.60, 3,566.71 and 1,405.64 is: 1,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.60 : 3,566.71 = 1,405.64 : x
  2. Step 2: Convert to fraction form
    2,584.60/3,566.71 = 1,405.64/x
  3. Step 3: Cross multiply
    2,584.60x = 3,566.71 × 1,405.64
  4. Step 4: Simplify right side
    2,584.60x = 5,013,510.24
  5. Step 5: Solve for x
    x = 5,013,510.24/2,584.60
  6. Step 6: Final answer
    x = 1,939.76

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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.