Home / 1,455.38-2,177.60-1,182.02

Finding the Fourth Proportional to 1,455.38, 2,177.60 and 1,182.02

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Solution

The fourth proportional to 1,455.38, 2,177.60 and 1,182.02 is: 1,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.38 : 2,177.60 = 1,182.02 : x
  2. Step 2: Convert to fraction form
    1,455.38/2,177.60 = 1,182.02/x
  3. Step 3: Cross multiply
    1,455.38x = 2,177.60 × 1,182.02
  4. Step 4: Simplify right side
    1,455.38x = 2,573,966.75
  5. Step 5: Solve for x
    x = 2,573,966.75/1,455.38
  6. Step 6: Final answer
    x = 1,768.59

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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.