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Finding the Fourth Proportional to 1,325.99, 1,830.37 and 883.73

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Solution

The fourth proportional to 1,325.99, 1,830.37 and 883.73 is: 1,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.99 : 1,830.37 = 883.73 : x
  2. Step 2: Convert to fraction form
    1,325.99/1,830.37 = 883.73/x
  3. Step 3: Cross multiply
    1,325.99x = 1,830.37 × 883.73
  4. Step 4: Simplify right side
    1,325.99x = 1,617,549.09
  5. Step 5: Solve for x
    x = 1,617,549.09/1,325.99
  6. Step 6: Final answer
    x = 1,219.88

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1.5x scale

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.