Home / 3,051.55-4,211.10-1,654.30

Finding the Fourth Proportional to 3,051.55, 4,211.10 and 1,654.30

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Solution

The fourth proportional to 3,051.55, 4,211.10 and 1,654.30 is: 2,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.55 : 4,211.10 = 1,654.30 : x
  2. Step 2: Convert to fraction form
    3,051.55/4,211.10 = 1,654.30/x
  3. Step 3: Cross multiply
    3,051.55x = 4,211.10 × 1,654.30
  4. Step 4: Simplify right side
    3,051.55x = 6,966,422.73
  5. Step 5: Solve for x
    x = 6,966,422.73/3,051.55
  6. Step 6: Final answer
    x = 2,282.91

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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.