Home / 1,480.21-2,222.21-934.68

Finding the Fourth Proportional to 1,480.21, 2,222.21 and 934.68

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Solution

The fourth proportional to 1,480.21, 2,222.21 and 934.68 is: 1,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.21 : 2,222.21 = 934.68 : x
  2. Step 2: Convert to fraction form
    1,480.21/2,222.21 = 934.68/x
  3. Step 3: Cross multiply
    1,480.21x = 2,222.21 × 934.68
  4. Step 4: Simplify right side
    1,480.21x = 2,077,055.24
  5. Step 5: Solve for x
    x = 2,077,055.24/1,480.21
  6. Step 6: Final answer
    x = 1,403.22

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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.