Home / 3,333.90-4,995.45-2,783.10

Finding the Fourth Proportional to 3,333.90, 4,995.45 and 2,783.10

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Solution

The fourth proportional to 3,333.90, 4,995.45 and 2,783.10 is: 4,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.90 : 4,995.45 = 2,783.10 : x
  2. Step 2: Convert to fraction form
    3,333.90/4,995.45 = 2,783.10/x
  3. Step 3: Cross multiply
    3,333.90x = 4,995.45 × 2,783.10
  4. Step 4: Simplify right side
    3,333.90x = 13,902,836.90
  5. Step 5: Solve for x
    x = 13,902,836.90/3,333.90
  6. Step 6: Final answer
    x = 4,170.14

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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.