Home / 1,935.72-2,671.08-1,149.64

Finding the Fourth Proportional to 1,935.72, 2,671.08 and 1,149.64

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Solution

The fourth proportional to 1,935.72, 2,671.08 and 1,149.64 is: 1,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.72 : 2,671.08 = 1,149.64 : x
  2. Step 2: Convert to fraction form
    1,935.72/2,671.08 = 1,149.64/x
  3. Step 3: Cross multiply
    1,935.72x = 2,671.08 × 1,149.64
  4. Step 4: Simplify right side
    1,935.72x = 3,070,780.41
  5. Step 5: Solve for x
    x = 3,070,780.41/1,935.72
  6. Step 6: Final answer
    x = 1,586.38

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Double scale
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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.