Home / 2,920.87-4,380.76-1,529.83

Finding the Fourth Proportional to 2,920.87, 4,380.76 and 1,529.83

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Solution

The fourth proportional to 2,920.87, 4,380.76 and 1,529.83 is: 2,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.87 : 4,380.76 = 1,529.83 : x
  2. Step 2: Convert to fraction form
    2,920.87/4,380.76 = 1,529.83/x
  3. Step 3: Cross multiply
    2,920.87x = 4,380.76 × 1,529.83
  4. Step 4: Simplify right side
    2,920.87x = 6,701,818.07
  5. Step 5: Solve for x
    x = 6,701,818.07/2,920.87
  6. Step 6: Final answer
    x = 2,294.46

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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.