Home / 1,646.19-2,463.09-985.64

Finding the Fourth Proportional to 1,646.19, 2,463.09 and 985.64

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Solution

The fourth proportional to 1,646.19, 2,463.09 and 985.64 is: 1,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.19 : 2,463.09 = 985.64 : x
  2. Step 2: Convert to fraction form
    1,646.19/2,463.09 = 985.64/x
  3. Step 3: Cross multiply
    1,646.19x = 2,463.09 × 985.64
  4. Step 4: Simplify right side
    1,646.19x = 2,427,707.71
  5. Step 5: Solve for x
    x = 2,427,707.71/1,646.19
  6. Step 6: Final answer
    x = 1,474.74

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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.