Home / 2,905.23-4,357.77-1,403.91

Finding the Fourth Proportional to 2,905.23, 4,357.77 and 1,403.91

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Solution

The fourth proportional to 2,905.23, 4,357.77 and 1,403.91 is: 2,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.23 : 4,357.77 = 1,403.91 : x
  2. Step 2: Convert to fraction form
    2,905.23/4,357.77 = 1,403.91/x
  3. Step 3: Cross multiply
    2,905.23x = 4,357.77 × 1,403.91
  4. Step 4: Simplify right side
    2,905.23x = 6,117,916.88
  5. Step 5: Solve for x
    x = 6,117,916.88/2,905.23
  6. Step 6: Final answer
    x = 2,105.83

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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.