Home / 2,740.89-3,782.66-1,562.07

Finding the Fourth Proportional to 2,740.89, 3,782.66 and 1,562.07

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Solution

The fourth proportional to 2,740.89, 3,782.66 and 1,562.07 is: 2,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.89 : 3,782.66 = 1,562.07 : x
  2. Step 2: Convert to fraction form
    2,740.89/3,782.66 = 1,562.07/x
  3. Step 3: Cross multiply
    2,740.89x = 3,782.66 × 1,562.07
  4. Step 4: Simplify right side
    2,740.89x = 5,908,771.90
  5. Step 5: Solve for x
    x = 5,908,771.90/2,740.89
  6. Step 6: Final answer
    x = 2,155.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.