Home / 3,454.42-4,767.36-1,962.81

Finding the Fourth Proportional to 3,454.42, 4,767.36 and 1,962.81

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Solution

The fourth proportional to 3,454.42, 4,767.36 and 1,962.81 is: 2,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.42 : 4,767.36 = 1,962.81 : x
  2. Step 2: Convert to fraction form
    3,454.42/4,767.36 = 1,962.81/x
  3. Step 3: Cross multiply
    3,454.42x = 4,767.36 × 1,962.81
  4. Step 4: Simplify right side
    3,454.42x = 9,357,421.88
  5. Step 5: Solve for x
    x = 9,357,421.88/3,454.42
  6. Step 6: Final answer
    x = 2,708.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.