Home / 2,953.20-4,431.60-1,654.56

Finding the Fourth Proportional to 2,953.20, 4,431.60 and 1,654.56

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Solution

The fourth proportional to 2,953.20, 4,431.60 and 1,654.56 is: 2,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.20 : 4,431.60 = 1,654.56 : x
  2. Step 2: Convert to fraction form
    2,953.20/4,431.60 = 1,654.56/x
  3. Step 3: Cross multiply
    2,953.20x = 4,431.60 × 1,654.56
  4. Step 4: Simplify right side
    2,953.20x = 7,332,348.10
  5. Step 5: Solve for x
    x = 7,332,348.10/2,953.20
  6. Step 6: Final answer
    x = 2,482.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.