Home / 3,612.60-5,418.89-1,304.10

Finding the Fourth Proportional to 3,612.60, 5,418.89 and 1,304.10

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Solution

The fourth proportional to 3,612.60, 5,418.89 and 1,304.10 is: 1,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.60 : 5,418.89 = 1,304.10 : x
  2. Step 2: Convert to fraction form
    3,612.60/5,418.89 = 1,304.10/x
  3. Step 3: Cross multiply
    3,612.60x = 5,418.89 × 1,304.10
  4. Step 4: Simplify right side
    3,612.60x = 7,066,774.45
  5. Step 5: Solve for x
    x = 7,066,774.45/3,612.60
  6. Step 6: Final answer
    x = 1,956.15

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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.