Home / 2,741.65-3,783.48-1,562.79

Finding the Fourth Proportional to 2,741.65, 3,783.48 and 1,562.79

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Solution

The fourth proportional to 2,741.65, 3,783.48 and 1,562.79 is: 2,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.65 : 3,783.48 = 1,562.79 : x
  2. Step 2: Convert to fraction form
    2,741.65/3,783.48 = 1,562.79/x
  3. Step 3: Cross multiply
    2,741.65x = 3,783.48 × 1,562.79
  4. Step 4: Simplify right side
    2,741.65x = 5,912,765.79
  5. Step 5: Solve for x
    x = 5,912,765.79/2,741.65
  6. Step 6: Final answer
    x = 2,156.65

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1.5x scale

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.