Home / 1,457.24-2,007.76-1,299.89

Finding the Fourth Proportional to 1,457.24, 2,007.76 and 1,299.89

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Solution

The fourth proportional to 1,457.24, 2,007.76 and 1,299.89 is: 1,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.24 : 2,007.76 = 1,299.89 : x
  2. Step 2: Convert to fraction form
    1,457.24/2,007.76 = 1,299.89/x
  3. Step 3: Cross multiply
    1,457.24x = 2,007.76 × 1,299.89
  4. Step 4: Simplify right side
    1,457.24x = 2,609,868.92
  5. Step 5: Solve for x
    x = 2,609,868.92/1,457.24
  6. Step 6: Final answer
    x = 1,790.97

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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.