Home / 1,709.01-2,561.90-1,556.87

Finding the Fourth Proportional to 1,709.01, 2,561.90 and 1,556.87

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Solution

The fourth proportional to 1,709.01, 2,561.90 and 1,556.87 is: 2,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.01 : 2,561.90 = 1,556.87 : x
  2. Step 2: Convert to fraction form
    1,709.01/2,561.90 = 1,556.87/x
  3. Step 3: Cross multiply
    1,709.01x = 2,561.90 × 1,556.87
  4. Step 4: Simplify right side
    1,709.01x = 3,988,524.66
  5. Step 5: Solve for x
    x = 3,988,524.66/1,709.01
  6. Step 6: Final answer
    x = 2,333.82

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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.