Home / 2,704.23-4,056.39-972.81

Finding the Fourth Proportional to 2,704.23, 4,056.39 and 972.81

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Solution

The fourth proportional to 2,704.23, 4,056.39 and 972.81 is: 1,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.23 : 4,056.39 = 972.81 : x
  2. Step 2: Convert to fraction form
    2,704.23/4,056.39 = 972.81/x
  3. Step 3: Cross multiply
    2,704.23x = 4,056.39 × 972.81
  4. Step 4: Simplify right side
    2,704.23x = 3,946,096.76
  5. Step 5: Solve for x
    x = 3,946,096.76/2,704.23
  6. Step 6: Final answer
    x = 1,459.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.