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Finding the Fourth Proportional to 1,483.57, 2,220.53 and 1,093.42

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Solution

The fourth proportional to 1,483.57, 2,220.53 and 1,093.42 is: 1,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.57 : 2,220.53 = 1,093.42 : x
  2. Step 2: Convert to fraction form
    1,483.57/2,220.53 = 1,093.42/x
  3. Step 3: Cross multiply
    1,483.57x = 2,220.53 × 1,093.42
  4. Step 4: Simplify right side
    1,483.57x = 2,427,971.91
  5. Step 5: Solve for x
    x = 2,427,971.91/1,483.57
  6. Step 6: Final answer
    x = 1,636.57

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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.