Home / 1,454.82-2,190.23-1,282.47

Finding the Fourth Proportional to 1,454.82, 2,190.23 and 1,282.47

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Solution

The fourth proportional to 1,454.82, 2,190.23 and 1,282.47 is: 1,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.82 : 2,190.23 = 1,282.47 : x
  2. Step 2: Convert to fraction form
    1,454.82/2,190.23 = 1,282.47/x
  3. Step 3: Cross multiply
    1,454.82x = 2,190.23 × 1,282.47
  4. Step 4: Simplify right side
    1,454.82x = 2,808,897.86
  5. Step 5: Solve for x
    x = 2,808,897.86/1,454.82
  6. Step 6: Final answer
    x = 1,930.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.