Home / 2,308.60-3,184.62-1,376.92

Finding the Fourth Proportional to 2,308.60, 3,184.62 and 1,376.92

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Solution

The fourth proportional to 2,308.60, 3,184.62 and 1,376.92 is: 1,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.60 : 3,184.62 = 1,376.92 : x
  2. Step 2: Convert to fraction form
    2,308.60/3,184.62 = 1,376.92/x
  3. Step 3: Cross multiply
    2,308.60x = 3,184.62 × 1,376.92
  4. Step 4: Simplify right side
    2,308.60x = 4,384,966.97
  5. Step 5: Solve for x
    x = 4,384,966.97/2,308.60
  6. Step 6: Final answer
    x = 1,899.41

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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.