Home / 3,214.76-4,436.37-1,956.89

Finding the Fourth Proportional to 3,214.76, 4,436.37 and 1,956.89

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Solution

The fourth proportional to 3,214.76, 4,436.37 and 1,956.89 is: 2,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.76 : 4,436.37 = 1,956.89 : x
  2. Step 2: Convert to fraction form
    3,214.76/4,436.37 = 1,956.89/x
  3. Step 3: Cross multiply
    3,214.76x = 4,436.37 × 1,956.89
  4. Step 4: Simplify right side
    3,214.76x = 8,681,499.18
  5. Step 5: Solve for x
    x = 8,681,499.18/3,214.76
  6. Step 6: Final answer
    x = 2,700.52

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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.