Home / 3,885.90-5,360.91-2,393.34

Finding the Fourth Proportional to 3,885.90, 5,360.91 and 2,393.34

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Solution

The fourth proportional to 3,885.90, 5,360.91 and 2,393.34 is: 3,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.90 : 5,360.91 = 2,393.34 : x
  2. Step 2: Convert to fraction form
    3,885.90/5,360.91 = 2,393.34/x
  3. Step 3: Cross multiply
    3,885.90x = 5,360.91 × 2,393.34
  4. Step 4: Simplify right side
    3,885.90x = 12,830,480.34
  5. Step 5: Solve for x
    x = 12,830,480.34/3,885.90
  6. Step 6: Final answer
    x = 3,301.80

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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.