Home / 2,605.16-3,907.74-1,306.33

Finding the Fourth Proportional to 2,605.16, 3,907.74 and 1,306.33

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Solution

The fourth proportional to 2,605.16, 3,907.74 and 1,306.33 is: 1,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.16 : 3,907.74 = 1,306.33 : x
  2. Step 2: Convert to fraction form
    2,605.16/3,907.74 = 1,306.33/x
  3. Step 3: Cross multiply
    2,605.16x = 3,907.74 × 1,306.33
  4. Step 4: Simplify right side
    2,605.16x = 5,104,793.12
  5. Step 5: Solve for x
    x = 5,104,793.12/2,605.16
  6. Step 6: Final answer
    x = 1,959.49

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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.