Home / 2,232.18-3,348.59-770.99

Finding the Fourth Proportional to 2,232.18, 3,348.59 and 770.99

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Solution

The fourth proportional to 2,232.18, 3,348.59 and 770.99 is: 1,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.18 : 3,348.59 = 770.99 : x
  2. Step 2: Convert to fraction form
    2,232.18/3,348.59 = 770.99/x
  3. Step 3: Cross multiply
    2,232.18x = 3,348.59 × 770.99
  4. Step 4: Simplify right side
    2,232.18x = 2,581,708.81
  5. Step 5: Solve for x
    x = 2,581,708.81/2,232.18
  6. Step 6: Final answer
    x = 1,156.59

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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.