Home / 1,466.11-2,198.61-425.77

Finding the Fourth Proportional to 1,466.11, 2,198.61 and 425.77

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Solution

The fourth proportional to 1,466.11, 2,198.61 and 425.77 is: 638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.11 : 2,198.61 = 425.77 : x
  2. Step 2: Convert to fraction form
    1,466.11/2,198.61 = 425.77/x
  3. Step 3: Cross multiply
    1,466.11x = 2,198.61 × 425.77
  4. Step 4: Simplify right side
    1,466.11x = 936,102.18
  5. Step 5: Solve for x
    x = 936,102.18/1,466.11
  6. Step 6: Final answer
    x = 638.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.