Home / 1,177.58-1,766.50-397.56

Finding the Fourth Proportional to 1,177.58, 1,766.50 and 397.56

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Solution

The fourth proportional to 1,177.58, 1,766.50 and 397.56 is: 596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.58 : 1,766.50 = 397.56 : x
  2. Step 2: Convert to fraction form
    1,177.58/1,766.50 = 397.56/x
  3. Step 3: Cross multiply
    1,177.58x = 1,766.50 × 397.56
  4. Step 4: Simplify right side
    1,177.58x = 702,289.74
  5. Step 5: Solve for x
    x = 702,289.74/1,177.58
  6. Step 6: Final answer
    x = 596.38

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1.5x scale

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.