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Finding the Fourth Proportional to 2,012.40, 3,017.52 and 625.14

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Solution

The fourth proportional to 2,012.40, 3,017.52 and 625.14 is: 937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.40 : 3,017.52 = 625.14 : x
  2. Step 2: Convert to fraction form
    2,012.40/3,017.52 = 625.14/x
  3. Step 3: Cross multiply
    2,012.40x = 3,017.52 × 625.14
  4. Step 4: Simplify right side
    2,012.40x = 1,886,372.45
  5. Step 5: Solve for x
    x = 1,886,372.45/2,012.40
  6. Step 6: Final answer
    x = 937.37

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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.