Home / 1,511.53-2,072.32-1,483.79

Finding the Fourth Proportional to 1,511.53, 2,072.32 and 1,483.79

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Solution

The fourth proportional to 1,511.53, 2,072.32 and 1,483.79 is: 2,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.53 : 2,072.32 = 1,483.79 : x
  2. Step 2: Convert to fraction form
    1,511.53/2,072.32 = 1,483.79/x
  3. Step 3: Cross multiply
    1,511.53x = 2,072.32 × 1,483.79
  4. Step 4: Simplify right side
    1,511.53x = 3,074,873.62
  5. Step 5: Solve for x
    x = 3,074,873.62/1,511.53
  6. Step 6: Final answer
    x = 2,034.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.