Home / 1,485.89-2,050.13-896.00

Finding the Fourth Proportional to 1,485.89, 2,050.13 and 896.00

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Solution

The fourth proportional to 1,485.89, 2,050.13 and 896.00 is: 1,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.89 : 2,050.13 = 896.00 : x
  2. Step 2: Convert to fraction form
    1,485.89/2,050.13 = 896.00/x
  3. Step 3: Cross multiply
    1,485.89x = 2,050.13 × 896.00
  4. Step 4: Simplify right side
    1,485.89x = 1,836,923.85
  5. Step 5: Solve for x
    x = 1,836,923.85/1,485.89
  6. Step 6: Final answer
    x = 1,236.25

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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.