Home / 1,827.10-2,740.61-528.57

Finding the Fourth Proportional to 1,827.10, 2,740.61 and 528.57

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Solution

The fourth proportional to 1,827.10, 2,740.61 and 528.57 is: 792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.10 : 2,740.61 = 528.57 : x
  2. Step 2: Convert to fraction form
    1,827.10/2,740.61 = 528.57/x
  3. Step 3: Cross multiply
    1,827.10x = 2,740.61 × 528.57
  4. Step 4: Simplify right side
    1,827.10x = 1,448,605.55
  5. Step 5: Solve for x
    x = 1,448,605.55/1,827.10
  6. Step 6: Final answer
    x = 792.85

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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.