Home / 1,351.57-2,027.36-474.70

Finding the Fourth Proportional to 1,351.57, 2,027.36 and 474.70

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Solution

The fourth proportional to 1,351.57, 2,027.36 and 474.70 is: 712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.57 : 2,027.36 = 474.70 : x
  2. Step 2: Convert to fraction form
    1,351.57/2,027.36 = 474.70/x
  3. Step 3: Cross multiply
    1,351.57x = 2,027.36 × 474.70
  4. Step 4: Simplify right side
    1,351.57x = 962,385.42
  5. Step 5: Solve for x
    x = 962,385.42/1,351.57
  6. Step 6: Final answer
    x = 712.05

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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.