Home / 1,847.28-2,760.10-1,782.68

Finding the Fourth Proportional to 1,847.28, 2,760.10 and 1,782.68

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Solution

The fourth proportional to 1,847.28, 2,760.10 and 1,782.68 is: 2,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.28 : 2,760.10 = 1,782.68 : x
  2. Step 2: Convert to fraction form
    1,847.28/2,760.10 = 1,782.68/x
  3. Step 3: Cross multiply
    1,847.28x = 2,760.10 × 1,782.68
  4. Step 4: Simplify right side
    1,847.28x = 4,920,385.11
  5. Step 5: Solve for x
    x = 4,920,385.11/1,847.28
  6. Step 6: Final answer
    x = 2,663.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.