Home / 1,591.46-2,193.20-1,148.56

Finding the Fourth Proportional to 1,591.46, 2,193.20 and 1,148.56

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Solution

The fourth proportional to 1,591.46, 2,193.20 and 1,148.56 is: 1,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.46 : 2,193.20 = 1,148.56 : x
  2. Step 2: Convert to fraction form
    1,591.46/2,193.20 = 1,148.56/x
  3. Step 3: Cross multiply
    1,591.46x = 2,193.20 × 1,148.56
  4. Step 4: Simplify right side
    1,591.46x = 2,519,021.79
  5. Step 5: Solve for x
    x = 2,519,021.79/1,591.46
  6. Step 6: Final answer
    x = 1,582.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.