Home / 1,588.16-2,191.38-958.52

Finding the Fourth Proportional to 1,588.16, 2,191.38 and 958.52

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Solution

The fourth proportional to 1,588.16, 2,191.38 and 958.52 is: 1,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.16 : 2,191.38 = 958.52 : x
  2. Step 2: Convert to fraction form
    1,588.16/2,191.38 = 958.52/x
  3. Step 3: Cross multiply
    1,588.16x = 2,191.38 × 958.52
  4. Step 4: Simplify right side
    1,588.16x = 2,100,481.56
  5. Step 5: Solve for x
    x = 2,100,481.56/1,588.16
  6. Step 6: Final answer
    x = 1,322.59

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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.