Home / 2,625.63-3,938.65-1,064.90

Finding the Fourth Proportional to 2,625.63, 3,938.65 and 1,064.90

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Solution

The fourth proportional to 2,625.63, 3,938.65 and 1,064.90 is: 1,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.63 : 3,938.65 = 1,064.90 : x
  2. Step 2: Convert to fraction form
    2,625.63/3,938.65 = 1,064.90/x
  3. Step 3: Cross multiply
    2,625.63x = 3,938.65 × 1,064.90
  4. Step 4: Simplify right side
    2,625.63x = 4,194,268.39
  5. Step 5: Solve for x
    x = 4,194,268.39/2,625.63
  6. Step 6: Final answer
    x = 1,597.43

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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.