Home / 1,677.10-2,515.33-581.47

Finding the Fourth Proportional to 1,677.10, 2,515.33 and 581.47

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Solution

The fourth proportional to 1,677.10, 2,515.33 and 581.47 is: 872.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.10 : 2,515.33 = 581.47 : x
  2. Step 2: Convert to fraction form
    1,677.10/2,515.33 = 581.47/x
  3. Step 3: Cross multiply
    1,677.10x = 2,515.33 × 581.47
  4. Step 4: Simplify right side
    1,677.10x = 1,462,588.94
  5. Step 5: Solve for x
    x = 1,462,588.94/1,677.10
  6. Step 6: Final answer
    x = 872.09

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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.