Home / 3,393.90-4,676.55-2,400.30

Finding the Fourth Proportional to 3,393.90, 4,676.55 and 2,400.30

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Solution

The fourth proportional to 3,393.90, 4,676.55 and 2,400.30 is: 3,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.90 : 4,676.55 = 2,400.30 : x
  2. Step 2: Convert to fraction form
    3,393.90/4,676.55 = 2,400.30/x
  3. Step 3: Cross multiply
    3,393.90x = 4,676.55 × 2,400.30
  4. Step 4: Simplify right side
    3,393.90x = 11,225,122.97
  5. Step 5: Solve for x
    x = 11,225,122.97/3,393.90
  6. Step 6: Final answer
    x = 3,307.44

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1.5x scale

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.