Home / 1,827.18-2,740.73-528.62

Finding the Fourth Proportional to 1,827.18, 2,740.73 and 528.62

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Solution

The fourth proportional to 1,827.18, 2,740.73 and 528.62 is: 792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.18 : 2,740.73 = 528.62 : x
  2. Step 2: Convert to fraction form
    1,827.18/2,740.73 = 528.62/x
  3. Step 3: Cross multiply
    1,827.18x = 2,740.73 × 528.62
  4. Step 4: Simplify right side
    1,827.18x = 1,448,788.35
  5. Step 5: Solve for x
    x = 1,448,788.35/1,827.18
  6. Step 6: Final answer
    x = 792.91

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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.