Home / 2,970.20-4,453.99-1,583.28

Finding the Fourth Proportional to 2,970.20, 4,453.99 and 1,583.28

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Solution

The fourth proportional to 2,970.20, 4,453.99 and 1,583.28 is: 2,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.20 : 4,453.99 = 1,583.28 : x
  2. Step 2: Convert to fraction form
    2,970.20/4,453.99 = 1,583.28/x
  3. Step 3: Cross multiply
    2,970.20x = 4,453.99 × 1,583.28
  4. Step 4: Simplify right side
    2,970.20x = 7,051,909.33
  5. Step 5: Solve for x
    x = 7,051,909.33/2,970.20
  6. Step 6: Final answer
    x = 2,374.22

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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.