Home / 3,156.34-4,351.22-2,259.83

Finding the Fourth Proportional to 3,156.34, 4,351.22 and 2,259.83

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Solution

The fourth proportional to 3,156.34, 4,351.22 and 2,259.83 is: 3,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.34 : 4,351.22 = 2,259.83 : x
  2. Step 2: Convert to fraction form
    3,156.34/4,351.22 = 2,259.83/x
  3. Step 3: Cross multiply
    3,156.34x = 4,351.22 × 2,259.83
  4. Step 4: Simplify right side
    3,156.34x = 9,833,017.49
  5. Step 5: Solve for x
    x = 9,833,017.49/3,156.34
  6. Step 6: Final answer
    x = 3,115.32

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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.