Home / 3,360.98-4,638.13-1,868.87

Finding the Fourth Proportional to 3,360.98, 4,638.13 and 1,868.87

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Solution

The fourth proportional to 3,360.98, 4,638.13 and 1,868.87 is: 2,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.98 : 4,638.13 = 1,868.87 : x
  2. Step 2: Convert to fraction form
    3,360.98/4,638.13 = 1,868.87/x
  3. Step 3: Cross multiply
    3,360.98x = 4,638.13 × 1,868.87
  4. Step 4: Simplify right side
    3,360.98x = 8,668,029.48
  5. Step 5: Solve for x
    x = 8,668,029.48/3,360.98
  6. Step 6: Final answer
    x = 2,579.02

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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.