Home / 2,739.16-3,780.21-1,560.34

Finding the Fourth Proportional to 2,739.16, 3,780.21 and 1,560.34

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Solution

The fourth proportional to 2,739.16, 3,780.21 and 1,560.34 is: 2,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.16 : 3,780.21 = 1,560.34 : x
  2. Step 2: Convert to fraction form
    2,739.16/3,780.21 = 1,560.34/x
  3. Step 3: Cross multiply
    2,739.16x = 3,780.21 × 1,560.34
  4. Step 4: Simplify right side
    2,739.16x = 5,898,412.87
  5. Step 5: Solve for x
    x = 5,898,412.87/2,739.16
  6. Step 6: Final answer
    x = 2,153.37

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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.