Home / 3,290.25-4,937.81-1,558.88

Finding the Fourth Proportional to 3,290.25, 4,937.81 and 1,558.88

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Solution

The fourth proportional to 3,290.25, 4,937.81 and 1,558.88 is: 2,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.25 : 4,937.81 = 1,558.88 : x
  2. Step 2: Convert to fraction form
    3,290.25/4,937.81 = 1,558.88/x
  3. Step 3: Cross multiply
    3,290.25x = 4,937.81 × 1,558.88
  4. Step 4: Simplify right side
    3,290.25x = 7,697,420.77
  5. Step 5: Solve for x
    x = 7,697,420.77/3,290.25
  6. Step 6: Final answer
    x = 2,339.46

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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.