Home / 2,170.18-3,256.21-937.29

Finding the Fourth Proportional to 2,170.18, 3,256.21 and 937.29

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Solution

The fourth proportional to 2,170.18, 3,256.21 and 937.29 is: 1,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.18 : 3,256.21 = 937.29 : x
  2. Step 2: Convert to fraction form
    2,170.18/3,256.21 = 937.29/x
  3. Step 3: Cross multiply
    2,170.18x = 3,256.21 × 937.29
  4. Step 4: Simplify right side
    2,170.18x = 3,052,014.24
  5. Step 5: Solve for x
    x = 3,052,014.24/2,170.18
  6. Step 6: Final answer
    x = 1,406.34

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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.