Home / 1,657.14-2,286.72-958.56

Finding the Fourth Proportional to 1,657.14, 2,286.72 and 958.56

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Solution

The fourth proportional to 1,657.14, 2,286.72 and 958.56 is: 1,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.14 : 2,286.72 = 958.56 : x
  2. Step 2: Convert to fraction form
    1,657.14/2,286.72 = 958.56/x
  3. Step 3: Cross multiply
    1,657.14x = 2,286.72 × 958.56
  4. Step 4: Simplify right side
    1,657.14x = 2,191,958.32
  5. Step 5: Solve for x
    x = 2,191,958.32/1,657.14
  6. Step 6: Final answer
    x = 1,322.74

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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.