Home / 2,670.15-4,001.98-1,890.37

Finding the Fourth Proportional to 2,670.15, 4,001.98 and 1,890.37

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Solution

The fourth proportional to 2,670.15, 4,001.98 and 1,890.37 is: 2,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.15 : 4,001.98 = 1,890.37 : x
  2. Step 2: Convert to fraction form
    2,670.15/4,001.98 = 1,890.37/x
  3. Step 3: Cross multiply
    2,670.15x = 4,001.98 × 1,890.37
  4. Step 4: Simplify right side
    2,670.15x = 7,565,222.93
  5. Step 5: Solve for x
    x = 7,565,222.93/2,670.15
  6. Step 6: Final answer
    x = 2,833.26

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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.