Home / 2,827.64-3,905.89-2,357.08

Finding the Fourth Proportional to 2,827.64, 3,905.89 and 2,357.08

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Solution

The fourth proportional to 2,827.64, 3,905.89 and 2,357.08 is: 3,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.64 : 3,905.89 = 2,357.08 : x
  2. Step 2: Convert to fraction form
    2,827.64/3,905.89 = 2,357.08/x
  3. Step 3: Cross multiply
    2,827.64x = 3,905.89 × 2,357.08
  4. Step 4: Simplify right side
    2,827.64x = 9,206,479.54
  5. Step 5: Solve for x
    x = 9,206,479.54/2,827.64
  6. Step 6: Final answer
    x = 3,255.89

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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.