Home / 3,316.78-4,576.90-1,900.13

Finding the Fourth Proportional to 3,316.78, 4,576.90 and 1,900.13

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Solution

The fourth proportional to 3,316.78, 4,576.90 and 1,900.13 is: 2,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.78 : 4,576.90 = 1,900.13 : x
  2. Step 2: Convert to fraction form
    3,316.78/4,576.90 = 1,900.13/x
  3. Step 3: Cross multiply
    3,316.78x = 4,576.90 × 1,900.13
  4. Step 4: Simplify right side
    3,316.78x = 8,696,677.36
  5. Step 5: Solve for x
    x = 8,696,677.36/3,316.78
  6. Step 6: Final answer
    x = 2,622.03

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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.