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Finding the Fourth Proportional to 1,546.55, 2,134.39 and 883.46

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Solution

The fourth proportional to 1,546.55, 2,134.39 and 883.46 is: 1,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.55 : 2,134.39 = 883.46 : x
  2. Step 2: Convert to fraction form
    1,546.55/2,134.39 = 883.46/x
  3. Step 3: Cross multiply
    1,546.55x = 2,134.39 × 883.46
  4. Step 4: Simplify right side
    1,546.55x = 1,885,637.52
  5. Step 5: Solve for x
    x = 1,885,637.52/1,546.55
  6. Step 6: Final answer
    x = 1,219.25

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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.