Home / 1,651.13-2,475.24-828.23

Finding the Fourth Proportional to 1,651.13, 2,475.24 and 828.23

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Solution

The fourth proportional to 1,651.13, 2,475.24 and 828.23 is: 1,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.13 : 2,475.24 = 828.23 : x
  2. Step 2: Convert to fraction form
    1,651.13/2,475.24 = 828.23/x
  3. Step 3: Cross multiply
    1,651.13x = 2,475.24 × 828.23
  4. Step 4: Simplify right side
    1,651.13x = 2,050,068.03
  5. Step 5: Solve for x
    x = 2,050,068.03/1,651.13
  6. Step 6: Final answer
    x = 1,241.62

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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.