Home / 2,766.61-4,151.47-1,533.86

Finding the Fourth Proportional to 2,766.61, 4,151.47 and 1,533.86

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Solution

The fourth proportional to 2,766.61, 4,151.47 and 1,533.86 is: 2,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.61 : 4,151.47 = 1,533.86 : x
  2. Step 2: Convert to fraction form
    2,766.61/4,151.47 = 1,533.86/x
  3. Step 3: Cross multiply
    2,766.61x = 4,151.47 × 1,533.86
  4. Step 4: Simplify right side
    2,766.61x = 6,367,773.77
  5. Step 5: Solve for x
    x = 6,367,773.77/2,766.61
  6. Step 6: Final answer
    x = 2,301.65

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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.