Home / 3,155.86-4,733.67-1,306.50

Finding the Fourth Proportional to 3,155.86, 4,733.67 and 1,306.50

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Solution

The fourth proportional to 3,155.86, 4,733.67 and 1,306.50 is: 1,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.86 : 4,733.67 = 1,306.50 : x
  2. Step 2: Convert to fraction form
    3,155.86/4,733.67 = 1,306.50/x
  3. Step 3: Cross multiply
    3,155.86x = 4,733.67 × 1,306.50
  4. Step 4: Simplify right side
    3,155.86x = 6,184,539.86
  5. Step 5: Solve for x
    x = 6,184,539.86/3,155.86
  6. Step 6: Final answer
    x = 1,959.70

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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.