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Finding the Fourth Proportional to 1,828.69, 2,742.32 and 595.80

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Solution

The fourth proportional to 1,828.69, 2,742.32 and 595.80 is: 893.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.69 : 2,742.32 = 595.80 : x
  2. Step 2: Convert to fraction form
    1,828.69/2,742.32 = 595.80/x
  3. Step 3: Cross multiply
    1,828.69x = 2,742.32 × 595.80
  4. Step 4: Simplify right side
    1,828.69x = 1,633,875.75
  5. Step 5: Solve for x
    x = 1,633,875.75/1,828.69
  6. Step 6: Final answer
    x = 893.47

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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.