Home / 1,595.24-2,389.80-1,336.89

Finding the Fourth Proportional to 1,595.24, 2,389.80 and 1,336.89

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Solution

The fourth proportional to 1,595.24, 2,389.80 and 1,336.89 is: 2,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.24 : 2,389.80 = 1,336.89 : x
  2. Step 2: Convert to fraction form
    1,595.24/2,389.80 = 1,336.89/x
  3. Step 3: Cross multiply
    1,595.24x = 2,389.80 × 1,336.89
  4. Step 4: Simplify right side
    1,595.24x = 3,194,899.72
  5. Step 5: Solve for x
    x = 3,194,899.72/1,595.24
  6. Step 6: Final answer
    x = 2,002.78

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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.