Home / 3,441.56-5,158.28-1,489.64

Finding the Fourth Proportional to 3,441.56, 5,158.28 and 1,489.64

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Solution

The fourth proportional to 3,441.56, 5,158.28 and 1,489.64 is: 2,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.56 : 5,158.28 = 1,489.64 : x
  2. Step 2: Convert to fraction form
    3,441.56/5,158.28 = 1,489.64/x
  3. Step 3: Cross multiply
    3,441.56x = 5,158.28 × 1,489.64
  4. Step 4: Simplify right side
    3,441.56x = 7,683,980.22
  5. Step 5: Solve for x
    x = 7,683,980.22/3,441.56
  6. Step 6: Final answer
    x = 2,232.70

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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.