Home / 2,917.75-4,374.47-1,531.03

Finding the Fourth Proportional to 2,917.75, 4,374.47 and 1,531.03

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Solution

The fourth proportional to 2,917.75, 4,374.47 and 1,531.03 is: 2,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.75 : 4,374.47 = 1,531.03 : x
  2. Step 2: Convert to fraction form
    2,917.75/4,374.47 = 1,531.03/x
  3. Step 3: Cross multiply
    2,917.75x = 4,374.47 × 1,531.03
  4. Step 4: Simplify right side
    2,917.75x = 6,697,437.15
  5. Step 5: Solve for x
    x = 6,697,437.15/2,917.75
  6. Step 6: Final answer
    x = 2,295.41

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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.