Home / 1,607.45-2,217.07-1,016.96

Finding the Fourth Proportional to 1,607.45, 2,217.07 and 1,016.96

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Solution

The fourth proportional to 1,607.45, 2,217.07 and 1,016.96 is: 1,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.45 : 2,217.07 = 1,016.96 : x
  2. Step 2: Convert to fraction form
    1,607.45/2,217.07 = 1,016.96/x
  3. Step 3: Cross multiply
    1,607.45x = 2,217.07 × 1,016.96
  4. Step 4: Simplify right side
    1,607.45x = 2,254,661.69
  5. Step 5: Solve for x
    x = 2,254,661.69/1,607.45
  6. Step 6: Final answer
    x = 1,402.64

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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.