Home / 2,920.93-4,379.33-1,459.05

Finding the Fourth Proportional to 2,920.93, 4,379.33 and 1,459.05

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Solution

The fourth proportional to 2,920.93, 4,379.33 and 1,459.05 is: 2,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.93 : 4,379.33 = 1,459.05 : x
  2. Step 2: Convert to fraction form
    2,920.93/4,379.33 = 1,459.05/x
  3. Step 3: Cross multiply
    2,920.93x = 4,379.33 × 1,459.05
  4. Step 4: Simplify right side
    2,920.93x = 6,389,648.66
  5. Step 5: Solve for x
    x = 6,389,648.66/2,920.93
  6. Step 6: Final answer
    x = 2,187.54

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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.