Home / 3,534.80-4,878-1,962.92

Finding the Fourth Proportional to 3,534.80, 4,878 and 1,962.92

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Solution

The fourth proportional to 3,534.80, 4,878 and 1,962.92 is: 2,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.80 : 4,878 = 1,962.92 : x
  2. Step 2: Convert to fraction form
    3,534.80/4,878 = 1,962.92/x
  3. Step 3: Cross multiply
    3,534.80x = 4,878 × 1,962.92
  4. Step 4: Simplify right side
    3,534.80x = 9,575,123.76
  5. Step 5: Solve for x
    x = 9,575,123.76/3,534.80
  6. Step 6: Final answer
    x = 2,708.82

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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.