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Finding the Fourth Proportional to 1,883.99, 2,826.20 and 651.26

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Solution

The fourth proportional to 1,883.99, 2,826.20 and 651.26 is: 976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.99 : 2,826.20 = 651.26 : x
  2. Step 2: Convert to fraction form
    1,883.99/2,826.20 = 651.26/x
  3. Step 3: Cross multiply
    1,883.99x = 2,826.20 × 651.26
  4. Step 4: Simplify right side
    1,883.99x = 1,840,599.71
  5. Step 5: Solve for x
    x = 1,840,599.71/1,883.99
  6. Step 6: Final answer
    x = 976.97

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1.5x scale

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.