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Finding the Fourth Proportional to 1,625.54, 2,243.01 and 962.42

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Solution

The fourth proportional to 1,625.54, 2,243.01 and 962.42 is: 1,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.54 : 2,243.01 = 962.42 : x
  2. Step 2: Convert to fraction form
    1,625.54/2,243.01 = 962.42/x
  3. Step 3: Cross multiply
    1,625.54x = 2,243.01 × 962.42
  4. Step 4: Simplify right side
    1,625.54x = 2,158,717.68
  5. Step 5: Solve for x
    x = 2,158,717.68/1,625.54
  6. Step 6: Final answer
    x = 1,328.00

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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.