Home / 1,740.15-2,610.28-629.79

Finding the Fourth Proportional to 1,740.15, 2,610.28 and 629.79

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Solution

The fourth proportional to 1,740.15, 2,610.28 and 629.79 is: 944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.15 : 2,610.28 = 629.79 : x
  2. Step 2: Convert to fraction form
    1,740.15/2,610.28 = 629.79/x
  3. Step 3: Cross multiply
    1,740.15x = 2,610.28 × 629.79
  4. Step 4: Simplify right side
    1,740.15x = 1,643,919.37
  5. Step 5: Solve for x
    x = 1,643,919.37/1,740.15
  6. Step 6: Final answer
    x = 944.70

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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.