Home / 3,007.17-4,147.20-1,888.21

Finding the Fourth Proportional to 3,007.17, 4,147.20 and 1,888.21

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Solution

The fourth proportional to 3,007.17, 4,147.20 and 1,888.21 is: 2,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.17 : 4,147.20 = 1,888.21 : x
  2. Step 2: Convert to fraction form
    3,007.17/4,147.20 = 1,888.21/x
  3. Step 3: Cross multiply
    3,007.17x = 4,147.20 × 1,888.21
  4. Step 4: Simplify right side
    3,007.17x = 7,830,754.33
  5. Step 5: Solve for x
    x = 7,830,754.33/3,007.17
  6. Step 6: Final answer
    x = 2,604.03

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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.