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Finding the Fourth Proportional to 2,023.79, 3,035.69 and 637.23

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Solution

The fourth proportional to 2,023.79, 3,035.69 and 637.23 is: 955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.79 : 3,035.69 = 637.23 : x
  2. Step 2: Convert to fraction form
    2,023.79/3,035.69 = 637.23/x
  3. Step 3: Cross multiply
    2,023.79x = 3,035.69 × 637.23
  4. Step 4: Simplify right side
    2,023.79x = 1,934,429.55
  5. Step 5: Solve for x
    x = 1,934,429.55/2,023.79
  6. Step 6: Final answer
    x = 955.85

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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.