Home / 2,926.52-4,390.87-1,520.06

Finding the Fourth Proportional to 2,926.52, 4,390.87 and 1,520.06

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Solution

The fourth proportional to 2,926.52, 4,390.87 and 1,520.06 is: 2,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.52 : 4,390.87 = 1,520.06 : x
  2. Step 2: Convert to fraction form
    2,926.52/4,390.87 = 1,520.06/x
  3. Step 3: Cross multiply
    2,926.52x = 4,390.87 × 1,520.06
  4. Step 4: Simplify right side
    2,926.52x = 6,674,385.85
  5. Step 5: Solve for x
    x = 6,674,385.85/2,926.52
  6. Step 6: Final answer
    x = 2,280.66

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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.