Home / 2,420.28-3,628.13-958.37

Finding the Fourth Proportional to 2,420.28, 3,628.13 and 958.37

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Solution

The fourth proportional to 2,420.28, 3,628.13 and 958.37 is: 1,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.28 : 3,628.13 = 958.37 : x
  2. Step 2: Convert to fraction form
    2,420.28/3,628.13 = 958.37/x
  3. Step 3: Cross multiply
    2,420.28x = 3,628.13 × 958.37
  4. Step 4: Simplify right side
    2,420.28x = 3,477,068.02
  5. Step 5: Solve for x
    x = 3,477,068.02/2,420.28
  6. Step 6: Final answer
    x = 1,436.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.