Home / 1,722.32-2,577.30-1,491.99

Finding the Fourth Proportional to 1,722.32, 2,577.30 and 1,491.99

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Solution

The fourth proportional to 1,722.32, 2,577.30 and 1,491.99 is: 2,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.32 : 2,577.30 = 1,491.99 : x
  2. Step 2: Convert to fraction form
    1,722.32/2,577.30 = 1,491.99/x
  3. Step 3: Cross multiply
    1,722.32x = 2,577.30 × 1,491.99
  4. Step 4: Simplify right side
    1,722.32x = 3,845,305.83
  5. Step 5: Solve for x
    x = 3,845,305.83/1,722.32
  6. Step 6: Final answer
    x = 2,232.64

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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.