Home / 1,654.28-2,282.82-1,130.44

Finding the Fourth Proportional to 1,654.28, 2,282.82 and 1,130.44

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Solution

The fourth proportional to 1,654.28, 2,282.82 and 1,130.44 is: 1,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.28 : 2,282.82 = 1,130.44 : x
  2. Step 2: Convert to fraction form
    1,654.28/2,282.82 = 1,130.44/x
  3. Step 3: Cross multiply
    1,654.28x = 2,282.82 × 1,130.44
  4. Step 4: Simplify right side
    1,654.28x = 2,580,591.04
  5. Step 5: Solve for x
    x = 2,580,591.04/1,654.28
  6. Step 6: Final answer
    x = 1,559.95

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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.