Home / 2,025.20-3,035.88-637.57

Finding the Fourth Proportional to 2,025.20, 3,035.88 and 637.57

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Solution

The fourth proportional to 2,025.20, 3,035.88 and 637.57 is: 955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.20 : 3,035.88 = 637.57 : x
  2. Step 2: Convert to fraction form
    2,025.20/3,035.88 = 637.57/x
  3. Step 3: Cross multiply
    2,025.20x = 3,035.88 × 637.57
  4. Step 4: Simplify right side
    2,025.20x = 1,935,589.81
  5. Step 5: Solve for x
    x = 1,935,589.81/2,025.20
  6. Step 6: Final answer
    x = 955.75

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1.5x scale

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.