Home / 1,827.28-2,520.60-1,491.70

Finding the Fourth Proportional to 1,827.28, 2,520.60 and 1,491.70

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Solution

The fourth proportional to 1,827.28, 2,520.60 and 1,491.70 is: 2,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.28 : 2,520.60 = 1,491.70 : x
  2. Step 2: Convert to fraction form
    1,827.28/2,520.60 = 1,491.70/x
  3. Step 3: Cross multiply
    1,827.28x = 2,520.60 × 1,491.70
  4. Step 4: Simplify right side
    1,827.28x = 3,759,979.02
  5. Step 5: Solve for x
    x = 3,759,979.02/1,827.28
  6. Step 6: Final answer
    x = 2,057.69

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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.