Home / 2,956.60-4,430.72-1,640.94

Finding the Fourth Proportional to 2,956.60, 4,430.72 and 1,640.94

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Solution

The fourth proportional to 2,956.60, 4,430.72 and 1,640.94 is: 2,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.60 : 4,430.72 = 1,640.94 : x
  2. Step 2: Convert to fraction form
    2,956.60/4,430.72 = 1,640.94/x
  3. Step 3: Cross multiply
    2,956.60x = 4,430.72 × 1,640.94
  4. Step 4: Simplify right side
    2,956.60x = 7,270,545.68
  5. Step 5: Solve for x
    x = 7,270,545.68/2,956.60
  6. Step 6: Final answer
    x = 2,459.09

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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.