Home / 2,920.89-4,374.22-1,535.39

Finding the Fourth Proportional to 2,920.89, 4,374.22 and 1,535.39

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Solution

The fourth proportional to 2,920.89, 4,374.22 and 1,535.39 is: 2,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.89 : 4,374.22 = 1,535.39 : x
  2. Step 2: Convert to fraction form
    2,920.89/4,374.22 = 1,535.39/x
  3. Step 3: Cross multiply
    2,920.89x = 4,374.22 × 1,535.39
  4. Step 4: Simplify right side
    2,920.89x = 6,716,133.65
  5. Step 5: Solve for x
    x = 6,716,133.65/2,920.89
  6. Step 6: Final answer
    x = 2,299.34

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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.