Home / 1,518.36-2,092.68-1,442.76

Finding the Fourth Proportional to 1,518.36, 2,092.68 and 1,442.76

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Solution

The fourth proportional to 1,518.36, 2,092.68 and 1,442.76 is: 1,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.36 : 2,092.68 = 1,442.76 : x
  2. Step 2: Convert to fraction form
    1,518.36/2,092.68 = 1,442.76/x
  3. Step 3: Cross multiply
    1,518.36x = 2,092.68 × 1,442.76
  4. Step 4: Simplify right side
    1,518.36x = 3,019,235.00
  5. Step 5: Solve for x
    x = 3,019,235.00/1,518.36
  6. Step 6: Final answer
    x = 1,988.48

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1.5x scale

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.