Home / 2,739.06-3,779.90-1,560.20

Finding the Fourth Proportional to 2,739.06, 3,779.90 and 1,560.20

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Solution

The fourth proportional to 2,739.06, 3,779.90 and 1,560.20 is: 2,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.06 : 3,779.90 = 1,560.20 : x
  2. Step 2: Convert to fraction form
    2,739.06/3,779.90 = 1,560.20/x
  3. Step 3: Cross multiply
    2,739.06x = 3,779.90 × 1,560.20
  4. Step 4: Simplify right side
    2,739.06x = 5,897,399.98
  5. Step 5: Solve for x
    x = 5,897,399.98/2,739.06
  6. Step 6: Final answer
    x = 2,153.07

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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.