Home / 1,039.66-1,561.51-1,001.59

Finding the Fourth Proportional to 1,039.66, 1,561.51 and 1,001.59

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Solution

The fourth proportional to 1,039.66, 1,561.51 and 1,001.59 is: 1,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.66 : 1,561.51 = 1,001.59 : x
  2. Step 2: Convert to fraction form
    1,039.66/1,561.51 = 1,001.59/x
  3. Step 3: Cross multiply
    1,039.66x = 1,561.51 × 1,001.59
  4. Step 4: Simplify right side
    1,039.66x = 1,563,992.80
  5. Step 5: Solve for x
    x = 1,563,992.80/1,039.66
  6. Step 6: Final answer
    x = 1,504.33

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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.