Home / 3,319.36-4,976.28-1,563.49

Finding the Fourth Proportional to 3,319.36, 4,976.28 and 1,563.49

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Solution

The fourth proportional to 3,319.36, 4,976.28 and 1,563.49 is: 2,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.36 : 4,976.28 = 1,563.49 : x
  2. Step 2: Convert to fraction form
    3,319.36/4,976.28 = 1,563.49/x
  3. Step 3: Cross multiply
    3,319.36x = 4,976.28 × 1,563.49
  4. Step 4: Simplify right side
    3,319.36x = 7,780,364.02
  5. Step 5: Solve for x
    x = 7,780,364.02/3,319.36
  6. Step 6: Final answer
    x = 2,343.93

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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.