Home / 2,930.42-4,043.96-1,654.20

Finding the Fourth Proportional to 2,930.42, 4,043.96 and 1,654.20

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Solution

The fourth proportional to 2,930.42, 4,043.96 and 1,654.20 is: 2,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.42 : 4,043.96 = 1,654.20 : x
  2. Step 2: Convert to fraction form
    2,930.42/4,043.96 = 1,654.20/x
  3. Step 3: Cross multiply
    2,930.42x = 4,043.96 × 1,654.20
  4. Step 4: Simplify right side
    2,930.42x = 6,689,518.63
  5. Step 5: Solve for x
    x = 6,689,518.63/2,930.42
  6. Step 6: Final answer
    x = 2,282.78

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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.