Home / 2,116.07-3,171.23-1,595.64

Finding the Fourth Proportional to 2,116.07, 3,171.23 and 1,595.64

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Solution

The fourth proportional to 2,116.07, 3,171.23 and 1,595.64 is: 2,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.07 : 3,171.23 = 1,595.64 : x
  2. Step 2: Convert to fraction form
    2,116.07/3,171.23 = 1,595.64/x
  3. Step 3: Cross multiply
    2,116.07x = 3,171.23 × 1,595.64
  4. Step 4: Simplify right side
    2,116.07x = 5,060,124.55
  5. Step 5: Solve for x
    x = 5,060,124.55/2,116.07
  6. Step 6: Final answer
    x = 2,391.28

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1.5x scale

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.