Home / 1,466.45-2,189.19-1,415.17

Finding the Fourth Proportional to 1,466.45, 2,189.19 and 1,415.17

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Solution

The fourth proportional to 1,466.45, 2,189.19 and 1,415.17 is: 2,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.45 : 2,189.19 = 1,415.17 : x
  2. Step 2: Convert to fraction form
    1,466.45/2,189.19 = 1,415.17/x
  3. Step 3: Cross multiply
    1,466.45x = 2,189.19 × 1,415.17
  4. Step 4: Simplify right side
    1,466.45x = 3,098,076.01
  5. Step 5: Solve for x
    x = 3,098,076.01/1,466.45
  6. Step 6: Final answer
    x = 2,112.64

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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.