Home / 3,317.90-4,970.36-1,560.62

Finding the Fourth Proportional to 3,317.90, 4,970.36 and 1,560.62

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Solution

The fourth proportional to 3,317.90, 4,970.36 and 1,560.62 is: 2,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.90 : 4,970.36 = 1,560.62 : x
  2. Step 2: Convert to fraction form
    3,317.90/4,970.36 = 1,560.62/x
  3. Step 3: Cross multiply
    3,317.90x = 4,970.36 × 1,560.62
  4. Step 4: Simplify right side
    3,317.90x = 7,756,843.22
  5. Step 5: Solve for x
    x = 7,756,843.22/3,317.90
  6. Step 6: Final answer
    x = 2,337.88

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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.