Home / 2,652.93-3,979.40-1,009.09

Finding the Fourth Proportional to 2,652.93, 3,979.40 and 1,009.09

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Solution

The fourth proportional to 2,652.93, 3,979.40 and 1,009.09 is: 1,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.93 : 3,979.40 = 1,009.09 : x
  2. Step 2: Convert to fraction form
    2,652.93/3,979.40 = 1,009.09/x
  3. Step 3: Cross multiply
    2,652.93x = 3,979.40 × 1,009.09
  4. Step 4: Simplify right side
    2,652.93x = 4,015,572.67
  5. Step 5: Solve for x
    x = 4,015,572.67/2,652.93
  6. Step 6: Final answer
    x = 1,513.64

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Double scale
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Similar ratio
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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.