Home / 1,746.05-2,408.96-999.90

Finding the Fourth Proportional to 1,746.05, 2,408.96 and 999.90

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Solution

The fourth proportional to 1,746.05, 2,408.96 and 999.90 is: 1,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.05 : 2,408.96 = 999.90 : x
  2. Step 2: Convert to fraction form
    1,746.05/2,408.96 = 999.90/x
  3. Step 3: Cross multiply
    1,746.05x = 2,408.96 × 999.90
  4. Step 4: Simplify right side
    1,746.05x = 2,408,721.60
  5. Step 5: Solve for x
    x = 2,408,721.60/1,746.05
  6. Step 6: Final answer
    x = 1,379.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.