Home / 2,237.09-3,354.75-1,312.88

Finding the Fourth Proportional to 2,237.09, 3,354.75 and 1,312.88

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Solution

The fourth proportional to 2,237.09, 3,354.75 and 1,312.88 is: 1,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.09 : 3,354.75 = 1,312.88 : x
  2. Step 2: Convert to fraction form
    2,237.09/3,354.75 = 1,312.88/x
  3. Step 3: Cross multiply
    2,237.09x = 3,354.75 × 1,312.88
  4. Step 4: Simplify right side
    2,237.09x = 4,404,367.41
  5. Step 5: Solve for x
    x = 4,404,367.41/2,237.09
  6. Step 6: Final answer
    x = 1,968.80

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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.