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Finding the Fourth Proportional to 1,595.40, 2,395.05 and 1,010.40

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Solution

The fourth proportional to 1,595.40, 2,395.05 and 1,010.40 is: 1,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.40 : 2,395.05 = 1,010.40 : x
  2. Step 2: Convert to fraction form
    1,595.40/2,395.05 = 1,010.40/x
  3. Step 3: Cross multiply
    1,595.40x = 2,395.05 × 1,010.40
  4. Step 4: Simplify right side
    1,595.40x = 2,419,958.52
  5. Step 5: Solve for x
    x = 2,419,958.52/1,595.40
  6. Step 6: Final answer
    x = 1,516.83

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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.