Home / 2,739.76-3,779.92-1,560.53

Finding the Fourth Proportional to 2,739.76, 3,779.92 and 1,560.53

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Solution

The fourth proportional to 2,739.76, 3,779.92 and 1,560.53 is: 2,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.76 : 3,779.92 = 1,560.53 : x
  2. Step 2: Convert to fraction form
    2,739.76/3,779.92 = 1,560.53/x
  3. Step 3: Cross multiply
    2,739.76x = 3,779.92 × 1,560.53
  4. Step 4: Simplify right side
    2,739.76x = 5,898,678.56
  5. Step 5: Solve for x
    x = 5,898,678.56/2,739.76
  6. Step 6: Final answer
    x = 2,152.99

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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.