Home / 1,956.18-2,920.53-1,491.48

Finding the Fourth Proportional to 1,956.18, 2,920.53 and 1,491.48

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Solution

The fourth proportional to 1,956.18, 2,920.53 and 1,491.48 is: 2,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.18 : 2,920.53 = 1,491.48 : x
  2. Step 2: Convert to fraction form
    1,956.18/2,920.53 = 1,491.48/x
  3. Step 3: Cross multiply
    1,956.18x = 2,920.53 × 1,491.48
  4. Step 4: Simplify right side
    1,956.18x = 4,355,912.08
  5. Step 5: Solve for x
    x = 4,355,912.08/1,956.18
  6. Step 6: Final answer
    x = 2,226.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.