Home / 3,534.20-4,877.36-1,962.80

Finding the Fourth Proportional to 3,534.20, 4,877.36 and 1,962.80

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Solution

The fourth proportional to 3,534.20, 4,877.36 and 1,962.80 is: 2,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.20 : 4,877.36 = 1,962.80 : x
  2. Step 2: Convert to fraction form
    3,534.20/4,877.36 = 1,962.80/x
  3. Step 3: Cross multiply
    3,534.20x = 4,877.36 × 1,962.80
  4. Step 4: Simplify right side
    3,534.20x = 9,573,282.21
  5. Step 5: Solve for x
    x = 9,573,282.21/3,534.20
  6. Step 6: Final answer
    x = 2,708.76

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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.