Home / 3,654.48-5,482.56-1,189.28

Finding the Fourth Proportional to 3,654.48, 5,482.56 and 1,189.28

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Solution

The fourth proportional to 3,654.48, 5,482.56 and 1,189.28 is: 1,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.48 : 5,482.56 = 1,189.28 : x
  2. Step 2: Convert to fraction form
    3,654.48/5,482.56 = 1,189.28/x
  3. Step 3: Cross multiply
    3,654.48x = 5,482.56 × 1,189.28
  4. Step 4: Simplify right side
    3,654.48x = 6,520,298.96
  5. Step 5: Solve for x
    x = 6,520,298.96/3,654.48
  6. Step 6: Final answer
    x = 1,784.19

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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.