Home / 1,656.33-2,286.19-948.57

Finding the Fourth Proportional to 1,656.33, 2,286.19 and 948.57

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Solution

The fourth proportional to 1,656.33, 2,286.19 and 948.57 is: 1,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.33 : 2,286.19 = 948.57 : x
  2. Step 2: Convert to fraction form
    1,656.33/2,286.19 = 948.57/x
  3. Step 3: Cross multiply
    1,656.33x = 2,286.19 × 948.57
  4. Step 4: Simplify right side
    1,656.33x = 2,168,611.25
  5. Step 5: Solve for x
    x = 2,168,611.25/1,656.33
  6. Step 6: Final answer
    x = 1,309.29

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1.5x scale

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.