Home / 1,354.17-2,021.44-1,190.15

Finding the Fourth Proportional to 1,354.17, 2,021.44 and 1,190.15

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Solution

The fourth proportional to 1,354.17, 2,021.44 and 1,190.15 is: 1,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.17 : 2,021.44 = 1,190.15 : x
  2. Step 2: Convert to fraction form
    1,354.17/2,021.44 = 1,190.15/x
  3. Step 3: Cross multiply
    1,354.17x = 2,021.44 × 1,190.15
  4. Step 4: Simplify right side
    1,354.17x = 2,405,803.73
  5. Step 5: Solve for x
    x = 2,405,803.73/1,354.17
  6. Step 6: Final answer
    x = 1,776.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.