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Finding the Fourth Proportional to 2,573.40, 3,860.10 and 625.62

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Solution

The fourth proportional to 2,573.40, 3,860.10 and 625.62 is: 938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.40 : 3,860.10 = 625.62 : x
  2. Step 2: Convert to fraction form
    2,573.40/3,860.10 = 625.62/x
  3. Step 3: Cross multiply
    2,573.40x = 3,860.10 × 625.62
  4. Step 4: Simplify right side
    2,573.40x = 2,414,955.76
  5. Step 5: Solve for x
    x = 2,414,955.76/2,573.40
  6. Step 6: Final answer
    x = 938.43

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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.