Home / 1,512.04-2,272.38-1,409.32

Finding the Fourth Proportional to 1,512.04, 2,272.38 and 1,409.32

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Solution

The fourth proportional to 1,512.04, 2,272.38 and 1,409.32 is: 2,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.04 : 2,272.38 = 1,409.32 : x
  2. Step 2: Convert to fraction form
    1,512.04/2,272.38 = 1,409.32/x
  3. Step 3: Cross multiply
    1,512.04x = 2,272.38 × 1,409.32
  4. Step 4: Simplify right side
    1,512.04x = 3,202,510.58
  5. Step 5: Solve for x
    x = 3,202,510.58/1,512.04
  6. Step 6: Final answer
    x = 2,118.01

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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.