Home / 2,356.06-3,535.70-1,261.21

Finding the Fourth Proportional to 2,356.06, 3,535.70 and 1,261.21

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Solution

The fourth proportional to 2,356.06, 3,535.70 and 1,261.21 is: 1,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.06 : 3,535.70 = 1,261.21 : x
  2. Step 2: Convert to fraction form
    2,356.06/3,535.70 = 1,261.21/x
  3. Step 3: Cross multiply
    2,356.06x = 3,535.70 × 1,261.21
  4. Step 4: Simplify right side
    2,356.06x = 4,459,260.20
  5. Step 5: Solve for x
    x = 4,459,260.20/2,356.06
  6. Step 6: Final answer
    x = 1,892.68

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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.