Home / 1,646.68-2,272.44-948.04

Finding the Fourth Proportional to 1,646.68, 2,272.44 and 948.04

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Solution

The fourth proportional to 1,646.68, 2,272.44 and 948.04 is: 1,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.68 : 2,272.44 = 948.04 : x
  2. Step 2: Convert to fraction form
    1,646.68/2,272.44 = 948.04/x
  3. Step 3: Cross multiply
    1,646.68x = 2,272.44 × 948.04
  4. Step 4: Simplify right side
    1,646.68x = 2,154,364.02
  5. Step 5: Solve for x
    x = 2,154,364.02/1,646.68
  6. Step 6: Final answer
    x = 1,308.31

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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.