Home / 3,126.39-4,685.48-2,300.79

Finding the Fourth Proportional to 3,126.39, 4,685.48 and 2,300.79

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Solution

The fourth proportional to 3,126.39, 4,685.48 and 2,300.79 is: 3,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.39 : 4,685.48 = 2,300.79 : x
  2. Step 2: Convert to fraction form
    3,126.39/4,685.48 = 2,300.79/x
  3. Step 3: Cross multiply
    3,126.39x = 4,685.48 × 2,300.79
  4. Step 4: Simplify right side
    3,126.39x = 10,780,305.53
  5. Step 5: Solve for x
    x = 10,780,305.53/3,126.39
  6. Step 6: Final answer
    x = 3,448.16

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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.