Home / 1,595.03-2,201.01-931.80

Finding the Fourth Proportional to 1,595.03, 2,201.01 and 931.80

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Solution

The fourth proportional to 1,595.03, 2,201.01 and 931.80 is: 1,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.03 : 2,201.01 = 931.80 : x
  2. Step 2: Convert to fraction form
    1,595.03/2,201.01 = 931.80/x
  3. Step 3: Cross multiply
    1,595.03x = 2,201.01 × 931.80
  4. Step 4: Simplify right side
    1,595.03x = 2,050,905.88
  5. Step 5: Solve for x
    x = 2,050,905.88/1,595.03
  6. Step 6: Final answer
    x = 1,285.81

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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.