Home / 1,588.03-2,382.18-857.46

Finding the Fourth Proportional to 1,588.03, 2,382.18 and 857.46

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Solution

The fourth proportional to 1,588.03, 2,382.18 and 857.46 is: 1,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.03 : 2,382.18 = 857.46 : x
  2. Step 2: Convert to fraction form
    1,588.03/2,382.18 = 857.46/x
  3. Step 3: Cross multiply
    1,588.03x = 2,382.18 × 857.46
  4. Step 4: Simplify right side
    1,588.03x = 2,042,624.06
  5. Step 5: Solve for x
    x = 2,042,624.06/1,588.03
  6. Step 6: Final answer
    x = 1,286.26

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1.5x scale

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.