Home / 1,300.62-1,941.64-1,255.04

Finding the Fourth Proportional to 1,300.62, 1,941.64 and 1,255.04

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Solution

The fourth proportional to 1,300.62, 1,941.64 and 1,255.04 is: 1,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.62 : 1,941.64 = 1,255.04 : x
  2. Step 2: Convert to fraction form
    1,300.62/1,941.64 = 1,255.04/x
  3. Step 3: Cross multiply
    1,300.62x = 1,941.64 × 1,255.04
  4. Step 4: Simplify right side
    1,300.62x = 2,436,835.87
  5. Step 5: Solve for x
    x = 2,436,835.87/1,300.62
  6. Step 6: Final answer
    x = 1,873.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.