Home / 3,453.76-4,743.04-2,956.40

Finding the Fourth Proportional to 3,453.76, 4,743.04 and 2,956.40

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Solution

The fourth proportional to 3,453.76, 4,743.04 and 2,956.40 is: 4,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.76 : 4,743.04 = 2,956.40 : x
  2. Step 2: Convert to fraction form
    3,453.76/4,743.04 = 2,956.40/x
  3. Step 3: Cross multiply
    3,453.76x = 4,743.04 × 2,956.40
  4. Step 4: Simplify right side
    3,453.76x = 14,022,323.46
  5. Step 5: Solve for x
    x = 14,022,323.46/3,453.76
  6. Step 6: Final answer
    x = 4,060.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.