Home / 3,180.16-4,769.72-1,536.32

Finding the Fourth Proportional to 3,180.16, 4,769.72 and 1,536.32

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Solution

The fourth proportional to 3,180.16, 4,769.72 and 1,536.32 is: 2,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.16 : 4,769.72 = 1,536.32 : x
  2. Step 2: Convert to fraction form
    3,180.16/4,769.72 = 1,536.32/x
  3. Step 3: Cross multiply
    3,180.16x = 4,769.72 × 1,536.32
  4. Step 4: Simplify right side
    3,180.16x = 7,327,816.23
  5. Step 5: Solve for x
    x = 7,327,816.23/3,180.16
  6. Step 6: Final answer
    x = 2,304.23

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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.