Home / 2,712.04-3,742.40-1,533.22

Finding the Fourth Proportional to 2,712.04, 3,742.40 and 1,533.22

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Solution

The fourth proportional to 2,712.04, 3,742.40 and 1,533.22 is: 2,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.04 : 3,742.40 = 1,533.22 : x
  2. Step 2: Convert to fraction form
    2,712.04/3,742.40 = 1,533.22/x
  3. Step 3: Cross multiply
    2,712.04x = 3,742.40 × 1,533.22
  4. Step 4: Simplify right side
    2,712.04x = 5,737,922.53
  5. Step 5: Solve for x
    x = 5,737,922.53/2,712.04
  6. Step 6: Final answer
    x = 2,115.72

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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.