Home / 2,905.64-4,358.00-1,261.74

Finding the Fourth Proportional to 2,905.64, 4,358.00 and 1,261.74

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Solution

The fourth proportional to 2,905.64, 4,358.00 and 1,261.74 is: 1,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.64 : 4,358.00 = 1,261.74 : x
  2. Step 2: Convert to fraction form
    2,905.64/4,358.00 = 1,261.74/x
  3. Step 3: Cross multiply
    2,905.64x = 4,358.00 × 1,261.74
  4. Step 4: Simplify right side
    2,905.64x = 5,498,670.66
  5. Step 5: Solve for x
    x = 5,498,670.66/2,905.64
  6. Step 6: Final answer
    x = 1,892.41

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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.