Home / 1,606.46-2,216.94-943.40

Finding the Fourth Proportional to 1,606.46, 2,216.94 and 943.40

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Solution

The fourth proportional to 1,606.46, 2,216.94 and 943.40 is: 1,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.46 : 2,216.94 = 943.40 : x
  2. Step 2: Convert to fraction form
    1,606.46/2,216.94 = 943.40/x
  3. Step 3: Cross multiply
    1,606.46x = 2,216.94 × 943.40
  4. Step 4: Simplify right side
    1,606.46x = 2,091,461.20
  5. Step 5: Solve for x
    x = 2,091,461.20/1,606.46
  6. Step 6: Final answer
    x = 1,301.91

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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.