Home / 3,885.70-5,360.67-2,707.46

Finding the Fourth Proportional to 3,885.70, 5,360.67 and 2,707.46

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Solution

The fourth proportional to 3,885.70, 5,360.67 and 2,707.46 is: 3,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.70 : 5,360.67 = 2,707.46 : x
  2. Step 2: Convert to fraction form
    3,885.70/5,360.67 = 2,707.46/x
  3. Step 3: Cross multiply
    3,885.70x = 5,360.67 × 2,707.46
  4. Step 4: Simplify right side
    3,885.70x = 14,513,799.60
  5. Step 5: Solve for x
    x = 14,513,799.60/3,885.70
  6. Step 6: Final answer
    x = 3,735.18

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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.