Home / 1,418.42-2,125.74-1,050.24

Finding the Fourth Proportional to 1,418.42, 2,125.74 and 1,050.24

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Solution

The fourth proportional to 1,418.42, 2,125.74 and 1,050.24 is: 1,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.42 : 2,125.74 = 1,050.24 : x
  2. Step 2: Convert to fraction form
    1,418.42/2,125.74 = 1,050.24/x
  3. Step 3: Cross multiply
    1,418.42x = 2,125.74 × 1,050.24
  4. Step 4: Simplify right side
    1,418.42x = 2,232,537.18
  5. Step 5: Solve for x
    x = 2,232,537.18/1,418.42
  6. Step 6: Final answer
    x = 1,573.96

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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.