Home / 1,197.20-1,795.34-572.39

Finding the Fourth Proportional to 1,197.20, 1,795.34 and 572.39

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Solution

The fourth proportional to 1,197.20, 1,795.34 and 572.39 is: 858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.20 : 1,795.34 = 572.39 : x
  2. Step 2: Convert to fraction form
    1,197.20/1,795.34 = 572.39/x
  3. Step 3: Cross multiply
    1,197.20x = 1,795.34 × 572.39
  4. Step 4: Simplify right side
    1,197.20x = 1,027,622.82
  5. Step 5: Solve for x
    x = 1,027,622.82/1,197.20
  6. Step 6: Final answer
    x = 858.35

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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.