Home / 3,260.05-4,891.12-1,943.53

Finding the Fourth Proportional to 3,260.05, 4,891.12 and 1,943.53

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Solution

The fourth proportional to 3,260.05, 4,891.12 and 1,943.53 is: 2,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.05 : 4,891.12 = 1,943.53 : x
  2. Step 2: Convert to fraction form
    3,260.05/4,891.12 = 1,943.53/x
  3. Step 3: Cross multiply
    3,260.05x = 4,891.12 × 1,943.53
  4. Step 4: Simplify right side
    3,260.05x = 9,506,021.37
  5. Step 5: Solve for x
    x = 9,506,021.37/3,260.05
  6. Step 6: Final answer
    x = 2,915.91

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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.