Home / 2,035.33-2,807.70-1,288.01

Finding the Fourth Proportional to 2,035.33, 2,807.70 and 1,288.01

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Solution

The fourth proportional to 2,035.33, 2,807.70 and 1,288.01 is: 1,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.33 : 2,807.70 = 1,288.01 : x
  2. Step 2: Convert to fraction form
    2,035.33/2,807.70 = 1,288.01/x
  3. Step 3: Cross multiply
    2,035.33x = 2,807.70 × 1,288.01
  4. Step 4: Simplify right side
    2,035.33x = 3,616,345.68
  5. Step 5: Solve for x
    x = 3,616,345.68/2,035.33
  6. Step 6: Final answer
    x = 1,776.79

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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.