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Finding the Fourth Proportional to 1,629.19, 2,248.28 and 883.14

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Solution

The fourth proportional to 1,629.19, 2,248.28 and 883.14 is: 1,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.19 : 2,248.28 = 883.14 : x
  2. Step 2: Convert to fraction form
    1,629.19/2,248.28 = 883.14/x
  3. Step 3: Cross multiply
    1,629.19x = 2,248.28 × 883.14
  4. Step 4: Simplify right side
    1,629.19x = 1,985,548.21
  5. Step 5: Solve for x
    x = 1,985,548.21/1,629.19
  6. Step 6: Final answer
    x = 1,218.74

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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.