Home / 1,739.20-2,606.52-1,519.30

Finding the Fourth Proportional to 1,739.20, 2,606.52 and 1,519.30

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Solution

The fourth proportional to 1,739.20, 2,606.52 and 1,519.30 is: 2,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.20 : 2,606.52 = 1,519.30 : x
  2. Step 2: Convert to fraction form
    1,739.20/2,606.52 = 1,519.30/x
  3. Step 3: Cross multiply
    1,739.20x = 2,606.52 × 1,519.30
  4. Step 4: Simplify right side
    1,739.20x = 3,960,085.84
  5. Step 5: Solve for x
    x = 3,960,085.84/1,739.20
  6. Step 6: Final answer
    x = 2,276.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.