Home / 1,534.37-2,299.95-711.96

Finding the Fourth Proportional to 1,534.37, 2,299.95 and 711.96

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Solution

The fourth proportional to 1,534.37, 2,299.95 and 711.96 is: 1,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.37 : 2,299.95 = 711.96 : x
  2. Step 2: Convert to fraction form
    1,534.37/2,299.95 = 711.96/x
  3. Step 3: Cross multiply
    1,534.37x = 2,299.95 × 711.96
  4. Step 4: Simplify right side
    1,534.37x = 1,637,472.40
  5. Step 5: Solve for x
    x = 1,637,472.40/1,534.37
  6. Step 6: Final answer
    x = 1,067.20

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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.