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Finding the Fourth Proportional to 1,606.03, 2,407.22 and 681.01

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Solution

The fourth proportional to 1,606.03, 2,407.22 and 681.01 is: 1,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.03 : 2,407.22 = 681.01 : x
  2. Step 2: Convert to fraction form
    1,606.03/2,407.22 = 681.01/x
  3. Step 3: Cross multiply
    1,606.03x = 2,407.22 × 681.01
  4. Step 4: Simplify right side
    1,606.03x = 1,639,334.02
  5. Step 5: Solve for x
    x = 1,639,334.02/1,606.03
  6. Step 6: Final answer
    x = 1,020.74

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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.