Home / 1,924.10-2,655.24-1,039.90

Finding the Fourth Proportional to 1,924.10, 2,655.24 and 1,039.90

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Solution

The fourth proportional to 1,924.10, 2,655.24 and 1,039.90 is: 1,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.10 : 2,655.24 = 1,039.90 : x
  2. Step 2: Convert to fraction form
    1,924.10/2,655.24 = 1,039.90/x
  3. Step 3: Cross multiply
    1,924.10x = 2,655.24 × 1,039.90
  4. Step 4: Simplify right side
    1,924.10x = 2,761,177.44
  5. Step 5: Solve for x
    x = 2,761,177.44/1,924.10
  6. Step 6: Final answer
    x = 1,435.05

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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.