Home / 1,536.20-2,130.82-1,480.86

Finding the Fourth Proportional to 1,536.20, 2,130.82 and 1,480.86

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Solution

The fourth proportional to 1,536.20, 2,130.82 and 1,480.86 is: 2,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.20 : 2,130.82 = 1,480.86 : x
  2. Step 2: Convert to fraction form
    1,536.20/2,130.82 = 1,480.86/x
  3. Step 3: Cross multiply
    1,536.20x = 2,130.82 × 1,480.86
  4. Step 4: Simplify right side
    1,536.20x = 3,155,446.11
  5. Step 5: Solve for x
    x = 3,155,446.11/1,536.20
  6. Step 6: Final answer
    x = 2,054.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.