Home / 2,445.93-3,666.47-1,289.25

Finding the Fourth Proportional to 2,445.93, 3,666.47 and 1,289.25

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Solution

The fourth proportional to 2,445.93, 3,666.47 and 1,289.25 is: 1,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.93 : 3,666.47 = 1,289.25 : x
  2. Step 2: Convert to fraction form
    2,445.93/3,666.47 = 1,289.25/x
  3. Step 3: Cross multiply
    2,445.93x = 3,666.47 × 1,289.25
  4. Step 4: Simplify right side
    2,445.93x = 4,726,990.00
  5. Step 5: Solve for x
    x = 4,726,990.00/2,445.93
  6. Step 6: Final answer
    x = 1,932.59

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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.