Home / 4,154.40-6,232.20-1,381.20

Finding the Fourth Proportional to 4,154.40, 6,232.20 and 1,381.20

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Solution

The fourth proportional to 4,154.40, 6,232.20 and 1,381.20 is: 2,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.40 : 6,232.20 = 1,381.20 : x
  2. Step 2: Convert to fraction form
    4,154.40/6,232.20 = 1,381.20/x
  3. Step 3: Cross multiply
    4,154.40x = 6,232.20 × 1,381.20
  4. Step 4: Simplify right side
    4,154.40x = 8,607,914.64
  5. Step 5: Solve for x
    x = 8,607,914.64/4,154.40
  6. Step 6: Final answer
    x = 2,072.00

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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.