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Finding the Fourth Proportional to 1,884.30, 2,825.63 and 651.83

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Solution

The fourth proportional to 1,884.30, 2,825.63 and 651.83 is: 977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.30 : 2,825.63 = 651.83 : x
  2. Step 2: Convert to fraction form
    1,884.30/2,825.63 = 651.83/x
  3. Step 3: Cross multiply
    1,884.30x = 2,825.63 × 651.83
  4. Step 4: Simplify right side
    1,884.30x = 1,841,830.40
  5. Step 5: Solve for x
    x = 1,841,830.40/1,884.30
  6. Step 6: Final answer
    x = 977.46

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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.