Home / 3,021.40-4,168.29-1,761.83

Finding the Fourth Proportional to 3,021.40, 4,168.29 and 1,761.83

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Solution

The fourth proportional to 3,021.40, 4,168.29 and 1,761.83 is: 2,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.40 : 4,168.29 = 1,761.83 : x
  2. Step 2: Convert to fraction form
    3,021.40/4,168.29 = 1,761.83/x
  3. Step 3: Cross multiply
    3,021.40x = 4,168.29 × 1,761.83
  4. Step 4: Simplify right side
    3,021.40x = 7,343,793.18
  5. Step 5: Solve for x
    x = 7,343,793.18/3,021.40
  6. Step 6: Final answer
    x = 2,430.59

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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.