Home / 1,134.25-1,701.35-312.52

Finding the Fourth Proportional to 1,134.25, 1,701.35 and 312.52

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Solution

The fourth proportional to 1,134.25, 1,701.35 and 312.52 is: 468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.25 : 1,701.35 = 312.52 : x
  2. Step 2: Convert to fraction form
    1,134.25/1,701.35 = 312.52/x
  3. Step 3: Cross multiply
    1,134.25x = 1,701.35 × 312.52
  4. Step 4: Simplify right side
    1,134.25x = 531,705.90
  5. Step 5: Solve for x
    x = 531,705.90/1,134.25
  6. Step 6: Final answer
    x = 468.77

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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.