Home / 1,548.31-2,150.98-1,533.91

Finding the Fourth Proportional to 1,548.31, 2,150.98 and 1,533.91

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Solution

The fourth proportional to 1,548.31, 2,150.98 and 1,533.91 is: 2,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.31 : 2,150.98 = 1,533.91 : x
  2. Step 2: Convert to fraction form
    1,548.31/2,150.98 = 1,533.91/x
  3. Step 3: Cross multiply
    1,548.31x = 2,150.98 × 1,533.91
  4. Step 4: Simplify right side
    1,548.31x = 3,299,409.73
  5. Step 5: Solve for x
    x = 3,299,409.73/1,548.31
  6. Step 6: Final answer
    x = 2,130.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.