Home / 3,877.23-5,350.54-2,551.67

Finding the Fourth Proportional to 3,877.23, 5,350.54 and 2,551.67

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Solution

The fourth proportional to 3,877.23, 5,350.54 and 2,551.67 is: 3,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.23 : 5,350.54 = 2,551.67 : x
  2. Step 2: Convert to fraction form
    3,877.23/5,350.54 = 2,551.67/x
  3. Step 3: Cross multiply
    3,877.23x = 5,350.54 × 2,551.67
  4. Step 4: Simplify right side
    3,877.23x = 13,652,812.40
  5. Step 5: Solve for x
    x = 13,652,812.40/3,877.23
  6. Step 6: Final answer
    x = 3,521.28

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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.