Home / 1,460.09-2,190.28-486.27

Finding the Fourth Proportional to 1,460.09, 2,190.28 and 486.27

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Solution

The fourth proportional to 1,460.09, 2,190.28 and 486.27 is: 729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.09 : 2,190.28 = 486.27 : x
  2. Step 2: Convert to fraction form
    1,460.09/2,190.28 = 486.27/x
  3. Step 3: Cross multiply
    1,460.09x = 2,190.28 × 486.27
  4. Step 4: Simplify right side
    1,460.09x = 1,065,067.46
  5. Step 5: Solve for x
    x = 1,065,067.46/1,460.09
  6. Step 6: Final answer
    x = 729.45

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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.