Home / 3,276.39-4,909.80-1,521.93

Finding the Fourth Proportional to 3,276.39, 4,909.80 and 1,521.93

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Solution

The fourth proportional to 3,276.39, 4,909.80 and 1,521.93 is: 2,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.39 : 4,909.80 = 1,521.93 : x
  2. Step 2: Convert to fraction form
    3,276.39/4,909.80 = 1,521.93/x
  3. Step 3: Cross multiply
    3,276.39x = 4,909.80 × 1,521.93
  4. Step 4: Simplify right side
    3,276.39x = 7,472,371.91
  5. Step 5: Solve for x
    x = 7,472,371.91/3,276.39
  6. Step 6: Final answer
    x = 2,280.67

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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.