Home / 1,924.07-2,655.21-1,039.87

Finding the Fourth Proportional to 1,924.07, 2,655.21 and 1,039.87

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Solution

The fourth proportional to 1,924.07, 2,655.21 and 1,039.87 is: 1,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.07 : 2,655.21 = 1,039.87 : x
  2. Step 2: Convert to fraction form
    1,924.07/2,655.21 = 1,039.87/x
  3. Step 3: Cross multiply
    1,924.07x = 2,655.21 × 1,039.87
  4. Step 4: Simplify right side
    1,924.07x = 2,761,072.65
  5. Step 5: Solve for x
    x = 2,761,072.65/1,924.07
  6. Step 6: Final answer
    x = 1,435.02

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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.