Home / 2,710.39-3,739.46-1,591.30

Finding the Fourth Proportional to 2,710.39, 3,739.46 and 1,591.30

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Solution

The fourth proportional to 2,710.39, 3,739.46 and 1,591.30 is: 2,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.39 : 3,739.46 = 1,591.30 : x
  2. Step 2: Convert to fraction form
    2,710.39/3,739.46 = 1,591.30/x
  3. Step 3: Cross multiply
    2,710.39x = 3,739.46 × 1,591.30
  4. Step 4: Simplify right side
    2,710.39x = 5,950,602.70
  5. Step 5: Solve for x
    x = 5,950,602.70/2,710.39
  6. Step 6: Final answer
    x = 2,195.48

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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.