Home / 1,588.35-2,385.17-1,071.68

Finding the Fourth Proportional to 1,588.35, 2,385.17 and 1,071.68

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Solution

The fourth proportional to 1,588.35, 2,385.17 and 1,071.68 is: 1,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.35 : 2,385.17 = 1,071.68 : x
  2. Step 2: Convert to fraction form
    1,588.35/2,385.17 = 1,071.68/x
  3. Step 3: Cross multiply
    1,588.35x = 2,385.17 × 1,071.68
  4. Step 4: Simplify right side
    1,588.35x = 2,556,121.70
  5. Step 5: Solve for x
    x = 2,556,121.70/1,588.35
  6. Step 6: Final answer
    x = 1,609.29

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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.