Home / 1,607.32-2,217.36-943.96

Finding the Fourth Proportional to 1,607.32, 2,217.36 and 943.96

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Solution

The fourth proportional to 1,607.32, 2,217.36 and 943.96 is: 1,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.32 : 2,217.36 = 943.96 : x
  2. Step 2: Convert to fraction form
    1,607.32/2,217.36 = 943.96/x
  3. Step 3: Cross multiply
    1,607.32x = 2,217.36 × 943.96
  4. Step 4: Simplify right side
    1,607.32x = 2,093,099.15
  5. Step 5: Solve for x
    x = 2,093,099.15/1,607.32
  6. Step 6: Final answer
    x = 1,302.23

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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.