Home / 2,323.12-3,207.36-1,615.72

Finding the Fourth Proportional to 2,323.12, 3,207.36 and 1,615.72

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Solution

The fourth proportional to 2,323.12, 3,207.36 and 1,615.72 is: 2,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.12 : 3,207.36 = 1,615.72 : x
  2. Step 2: Convert to fraction form
    2,323.12/3,207.36 = 1,615.72/x
  3. Step 3: Cross multiply
    2,323.12x = 3,207.36 × 1,615.72
  4. Step 4: Simplify right side
    2,323.12x = 5,182,195.70
  5. Step 5: Solve for x
    x = 5,182,195.70/2,323.12
  6. Step 6: Final answer
    x = 2,230.71

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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.