Home / 1,739.59-2,607.63-1,090.78

Finding the Fourth Proportional to 1,739.59, 2,607.63 and 1,090.78

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Solution

The fourth proportional to 1,739.59, 2,607.63 and 1,090.78 is: 1,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.59 : 2,607.63 = 1,090.78 : x
  2. Step 2: Convert to fraction form
    1,739.59/2,607.63 = 1,090.78/x
  3. Step 3: Cross multiply
    1,739.59x = 2,607.63 × 1,090.78
  4. Step 4: Simplify right side
    1,739.59x = 2,844,350.65
  5. Step 5: Solve for x
    x = 2,844,350.65/1,739.59
  6. Step 6: Final answer
    x = 1,635.07

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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.