Home / 1,712.07-2,567.97-1,665.90

Finding the Fourth Proportional to 1,712.07, 2,567.97 and 1,665.90

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Solution

The fourth proportional to 1,712.07, 2,567.97 and 1,665.90 is: 2,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.07 : 2,567.97 = 1,665.90 : x
  2. Step 2: Convert to fraction form
    1,712.07/2,567.97 = 1,665.90/x
  3. Step 3: Cross multiply
    1,712.07x = 2,567.97 × 1,665.90
  4. Step 4: Simplify right side
    1,712.07x = 4,277,981.22
  5. Step 5: Solve for x
    x = 4,277,981.22/1,712.07
  6. Step 6: Final answer
    x = 2,498.72

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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.