Home / 1,518.10-2,095.08-1,144.42

Finding the Fourth Proportional to 1,518.10, 2,095.08 and 1,144.42

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Solution

The fourth proportional to 1,518.10, 2,095.08 and 1,144.42 is: 1,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.10 : 2,095.08 = 1,144.42 : x
  2. Step 2: Convert to fraction form
    1,518.10/2,095.08 = 1,144.42/x
  3. Step 3: Cross multiply
    1,518.10x = 2,095.08 × 1,144.42
  4. Step 4: Simplify right side
    1,518.10x = 2,397,651.45
  5. Step 5: Solve for x
    x = 2,397,651.45/1,518.10
  6. Step 6: Final answer
    x = 1,579.38

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Half scale
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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.