Home / 1,102.08-1,518.98-1,050.18

Finding the Fourth Proportional to 1,102.08, 1,518.98 and 1,050.18

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Solution

The fourth proportional to 1,102.08, 1,518.98 and 1,050.18 is: 1,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.08 : 1,518.98 = 1,050.18 : x
  2. Step 2: Convert to fraction form
    1,102.08/1,518.98 = 1,050.18/x
  3. Step 3: Cross multiply
    1,102.08x = 1,518.98 × 1,050.18
  4. Step 4: Simplify right side
    1,102.08x = 1,595,196.56
  5. Step 5: Solve for x
    x = 1,595,196.56/1,102.08
  6. Step 6: Final answer
    x = 1,447.44

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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.