Home / 3,156.56-4,346.40-2,797.34

Finding the Fourth Proportional to 3,156.56, 4,346.40 and 2,797.34

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Solution

The fourth proportional to 3,156.56, 4,346.40 and 2,797.34 is: 3,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.56 : 4,346.40 = 2,797.34 : x
  2. Step 2: Convert to fraction form
    3,156.56/4,346.40 = 2,797.34/x
  3. Step 3: Cross multiply
    3,156.56x = 4,346.40 × 2,797.34
  4. Step 4: Simplify right side
    3,156.56x = 12,158,358.58
  5. Step 5: Solve for x
    x = 12,158,358.58/3,156.56
  6. Step 6: Final answer
    x = 3,851.77

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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.