Home / 1,739.20-2,602.32-1,719.76

Finding the Fourth Proportional to 1,739.20, 2,602.32 and 1,719.76

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Solution

The fourth proportional to 1,739.20, 2,602.32 and 1,719.76 is: 2,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.20 : 2,602.32 = 1,719.76 : x
  2. Step 2: Convert to fraction form
    1,739.20/2,602.32 = 1,719.76/x
  3. Step 3: Cross multiply
    1,739.20x = 2,602.32 × 1,719.76
  4. Step 4: Simplify right side
    1,739.20x = 4,475,365.84
  5. Step 5: Solve for x
    x = 4,475,365.84/1,739.20
  6. Step 6: Final answer
    x = 2,573.23

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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.