Home / 1,800.93-2,697.80-1,431.36

Finding the Fourth Proportional to 1,800.93, 2,697.80 and 1,431.36

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Solution

The fourth proportional to 1,800.93, 2,697.80 and 1,431.36 is: 2,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.93 : 2,697.80 = 1,431.36 : x
  2. Step 2: Convert to fraction form
    1,800.93/2,697.80 = 1,431.36/x
  3. Step 3: Cross multiply
    1,800.93x = 2,697.80 × 1,431.36
  4. Step 4: Simplify right side
    1,800.93x = 3,861,502.36
  5. Step 5: Solve for x
    x = 3,861,502.36/1,800.93
  6. Step 6: Final answer
    x = 2,144.17

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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.