Home / 1,372.60-2,054.04-933.90

Finding the Fourth Proportional to 1,372.60, 2,054.04 and 933.90

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Solution

The fourth proportional to 1,372.60, 2,054.04 and 933.90 is: 1,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.60 : 2,054.04 = 933.90 : x
  2. Step 2: Convert to fraction form
    1,372.60/2,054.04 = 933.90/x
  3. Step 3: Cross multiply
    1,372.60x = 2,054.04 × 933.90
  4. Step 4: Simplify right side
    1,372.60x = 1,918,267.96
  5. Step 5: Solve for x
    x = 1,918,267.96/1,372.60
  6. Step 6: Final answer
    x = 1,397.54

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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.