Home / 2,345.00-3,236.09-1,505.43

Finding the Fourth Proportional to 2,345.00, 3,236.09 and 1,505.43

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Solution

The fourth proportional to 2,345.00, 3,236.09 and 1,505.43 is: 2,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.00 : 3,236.09 = 1,505.43 : x
  2. Step 2: Convert to fraction form
    2,345.00/3,236.09 = 1,505.43/x
  3. Step 3: Cross multiply
    2,345.00x = 3,236.09 × 1,505.43
  4. Step 4: Simplify right side
    2,345.00x = 4,871,699.44
  5. Step 5: Solve for x
    x = 4,871,699.44/2,345.00
  6. Step 6: Final answer
    x = 2,077.49

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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.