Home / 1,889.01-2,827.76-1,400.85

Finding the Fourth Proportional to 1,889.01, 2,827.76 and 1,400.85

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Solution

The fourth proportional to 1,889.01, 2,827.76 and 1,400.85 is: 2,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.01 : 2,827.76 = 1,400.85 : x
  2. Step 2: Convert to fraction form
    1,889.01/2,827.76 = 1,400.85/x
  3. Step 3: Cross multiply
    1,889.01x = 2,827.76 × 1,400.85
  4. Step 4: Simplify right side
    1,889.01x = 3,961,260.59
  5. Step 5: Solve for x
    x = 3,961,260.59/1,889.01
  6. Step 6: Final answer
    x = 2,097.00

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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.