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Finding the Fourth Proportional to 2,306.77, 3,460.12 and 575.39

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Solution

The fourth proportional to 2,306.77, 3,460.12 and 575.39 is: 863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.77 : 3,460.12 = 575.39 : x
  2. Step 2: Convert to fraction form
    2,306.77/3,460.12 = 575.39/x
  3. Step 3: Cross multiply
    2,306.77x = 3,460.12 × 575.39
  4. Step 4: Simplify right side
    2,306.77x = 1,990,925.66
  5. Step 5: Solve for x
    x = 1,990,925.66/2,306.77
  6. Step 6: Final answer
    x = 863.08

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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.