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Finding the Fourth Proportional to 1,457.26, 2,011 and 794.11

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Solution

The fourth proportional to 1,457.26, 2,011 and 794.11 is: 1,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.26 : 2,011 = 794.11 : x
  2. Step 2: Convert to fraction form
    1,457.26/2,011 = 794.11/x
  3. Step 3: Cross multiply
    1,457.26x = 2,011 × 794.11
  4. Step 4: Simplify right side
    1,457.26x = 1,596,955.21
  5. Step 5: Solve for x
    x = 1,596,955.21/1,457.26
  6. Step 6: Final answer
    x = 1,095.86

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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.