Home / 2,615.63-3,608.06-1,567.09

Finding the Fourth Proportional to 2,615.63, 3,608.06 and 1,567.09

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Solution

The fourth proportional to 2,615.63, 3,608.06 and 1,567.09 is: 2,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.63 : 3,608.06 = 1,567.09 : x
  2. Step 2: Convert to fraction form
    2,615.63/3,608.06 = 1,567.09/x
  3. Step 3: Cross multiply
    2,615.63x = 3,608.06 × 1,567.09
  4. Step 4: Simplify right side
    2,615.63x = 5,654,149.64
  5. Step 5: Solve for x
    x = 5,654,149.64/2,615.63
  6. Step 6: Final answer
    x = 2,161.68

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1.5x scale

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.