Home / 3,153.44-4,724.76-1,423.28

Finding the Fourth Proportional to 3,153.44, 4,724.76 and 1,423.28

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Solution

The fourth proportional to 3,153.44, 4,724.76 and 1,423.28 is: 2,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.44 : 4,724.76 = 1,423.28 : x
  2. Step 2: Convert to fraction form
    3,153.44/4,724.76 = 1,423.28/x
  3. Step 3: Cross multiply
    3,153.44x = 4,724.76 × 1,423.28
  4. Step 4: Simplify right side
    3,153.44x = 6,724,656.41
  5. Step 5: Solve for x
    x = 6,724,656.41/3,153.44
  6. Step 6: Final answer
    x = 2,132.48

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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.