Home / 2,581.76-3,562.44-1,533.80

Finding the Fourth Proportional to 2,581.76, 3,562.44 and 1,533.80

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Solution

The fourth proportional to 2,581.76, 3,562.44 and 1,533.80 is: 2,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.76 : 3,562.44 = 1,533.80 : x
  2. Step 2: Convert to fraction form
    2,581.76/3,562.44 = 1,533.80/x
  3. Step 3: Cross multiply
    2,581.76x = 3,562.44 × 1,533.80
  4. Step 4: Simplify right side
    2,581.76x = 5,464,070.47
  5. Step 5: Solve for x
    x = 5,464,070.47/2,581.76
  6. Step 6: Final answer
    x = 2,116.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.