Home / 3,318.23-4,976.46-1,126.50

Finding the Fourth Proportional to 3,318.23, 4,976.46 and 1,126.50

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Solution

The fourth proportional to 3,318.23, 4,976.46 and 1,126.50 is: 1,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.23 : 4,976.46 = 1,126.50 : x
  2. Step 2: Convert to fraction form
    3,318.23/4,976.46 = 1,126.50/x
  3. Step 3: Cross multiply
    3,318.23x = 4,976.46 × 1,126.50
  4. Step 4: Simplify right side
    3,318.23x = 5,605,982.19
  5. Step 5: Solve for x
    x = 5,605,982.19/3,318.23
  6. Step 6: Final answer
    x = 1,689.45

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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.