Home / 2,938.48-4,407.01-1,089.86

Finding the Fourth Proportional to 2,938.48, 4,407.01 and 1,089.86

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Solution

The fourth proportional to 2,938.48, 4,407.01 and 1,089.86 is: 1,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.48 : 4,407.01 = 1,089.86 : x
  2. Step 2: Convert to fraction form
    2,938.48/4,407.01 = 1,089.86/x
  3. Step 3: Cross multiply
    2,938.48x = 4,407.01 × 1,089.86
  4. Step 4: Simplify right side
    2,938.48x = 4,802,999.16
  5. Step 5: Solve for x
    x = 4,802,999.16/2,938.48
  6. Step 6: Final answer
    x = 1,634.52

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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.